{"title":"HUUM DROP Sauna Heaters","description":"\u003cp\u003eDROP is the compact one, shaped to sit against a wall without taking the bench with it. 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img{max-height:260px;}\n.shc-cta{padding:44px 16px;}\n}\n\n.shc-sec.hrv-shopbar{padding:18px 0;border-bottom:1px solid #EDE6DA;}.hrv-shop{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:0;padding:0;list-style:none;}.hrv-shop li{margin:0;}.hrv-shop .lbl{font-size:13px;font-weight:700;color:#6B5D4F;letter-spacing:.04em;margin-right:4px;}.hrv-shop a,.hrv-shop .cur{display:inline-block;border:1px solid #E5DDD0;border-radius:100px;padding:8px 16px;font-size:13px;font-weight:600;text-decoration:none!important;color:#4A4038!important;background:#fff;}.hrv-shop a:hover{border-color:#E8A359;color:#1A1410!important;}.hrv-shop .cur{background:#1A1410;border-color:#1A1410;color:#F5EFE2!important;}@media(max-width:768px){.shc-tbl.wrap{min-width:560px;}.shc-tbl.wrap td,.shc-tbl.wrap th{white-space:normal;}}.shc-pick a{display:inline-flex;align-items:center;min-height:44px;}@media(max-width:600px){.shc-tbl.stack,.shc-tbl.fit{min-width:0;}.shc-tbl.fit td,.shc-tbl.fit th{white-space:normal;padding:10px;}.shc-tbl.stack tr:first-child{display:none;}.shc-tbl.stack tr{display:block;border-bottom:1px solid #E7DFD3;padding:10px 0;}.shc-tbl.stack tr:last-child{border-bottom:0;}.shc-tbl.stack td{display:block;border:0;padding:4px 14px;white-space:normal;}.shc-tbl.stack td::before{content:attr(data-label);display:block;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:#75654F;}.shc-tblwrap.nofade::after{display:none;}}\n@media(max-width:600px){\n  .shc-tbl.stack tr:first-child{display:none !important;}\n  .shc-tbl.stack tr+tr{display:grid !important;grid-template-columns:1fr 1fr;\n    gap:0 12px;padding:12px 0;align-items:start;}\n  .shc-tbl.stack td{display:block;padding:3px 14px;}\n  .shc-tbl.stack td:first-child{grid-column:1\/-1;font-size:15px;font-weight:700;\n    color:#1A1410;padding-bottom:4px;}\n  .shc-tbl.stack td:first-child::before{display:none;}\n  .shc-tbl.stack td::before{font-size:10px;letter-spacing:.05em;margin-bottom:0;}\n}\n\u003c\/style\u003e\n\u003cdiv class=\"shc-sec d\"\u003e\n\u003cdiv class=\"shc-wrap\"\u003e\n\u003cdiv class=\"shc-hero\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"shc-eyebrow\"\u003eStart here\u003c\/p\u003e\n\u003ch2 class=\"shc-h2\"\u003eHUUM DROP: The Wall Heater That Does Not Look Like One\u003c\/h2\u003e\n\u003cp class=\"shc-p\"\u003eThe DROP is HUUM's compact wall unit, and the one that won the brand its first Red Dot. Four outputs cover small and mid-sized rooms, and the rounded case is designed to be looked at rather than hidden behind a guard.\u003c\/p\u003e\n\u003cp class=\"shc-p\"\u003eLike every HUUM electric heater, a DROP arrives with no controls on it. The UKU goes on the wall outside the room, which is how the heater keeps its shape, and it is a second purchase.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"shc-hero-img\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-drop-9-installed.jpg?width=900\" alt=\"HUUM DROP mounted on the wall of a finished sauna\" width=\"900\" height=\"600\" loading=\"eager\" fetchpriority=\"high\" style=\"min-height:0;height:auto;aspect-ratio:3\/2;object-fit:cover;object-position:center 50%;\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"shc-stats\"\u003e\n\u003cdiv class=\"shc-stat\"\u003e\n\u003cb\u003e4.5 to 9 kW\u003c\/b\u003e\u003cspan\u003eFour outputs in the family\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"shc-stat\"\u003e\n\u003cb\u003e106 to 460\u003c\/b\u003e\u003cspan\u003eCubic feet across the range\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"shc-stat\"\u003e\n\u003cb\u003eRed Dot 2015\u003c\/b\u003e\u003cspan\u003eAwarded for product design\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"shc-stat\"\u003e\n\u003cb\u003eUKU control\u003c\/b\u003e\u003cspan\u003eSeparate, on every model\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"shc-sec\"\u003e\n\u003cdiv class=\"shc-wrap\"\u003e\n\u003cp class=\"shc-eyebrow\"\u003eThe range\u003c\/p\u003e\n\u003ch2 class=\"shc-h2\"\u003eEvery HUUM DROP, Output by Output\u003c\/h2\u003e\n\u003cp class=\"shc-p\"\u003eRoom volumes are HUUM's own. Every DROP takes a separate UKU control and a stone load you buy with it.\u003c\/p\u003e\n\u003cdiv class=\"shc-tblwrap nofade\"\u003e\u003ctable class=\"shc-tbl stack\"\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eOutput\u003c\/th\u003e\n\u003cth\u003eRoom volume\u003c\/th\u003e\n\u003cth\u003eSupply\u003c\/th\u003e\n\u003cth\u003eControls\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"Model\"\u003eDROP 4\u003c\/td\u003e\n\u003ctd data-label=\"Output\"\u003e4.5 kW\u003c\/td\u003e\n\u003ctd data-label=\"Room volume\"\u003e106 to 248 cu ft\u003c\/td\u003e\n\u003ctd data-label=\"Supply\"\u003e240V or 208V\u003c\/td\u003e\n\u003ctd data-label=\"Controls\"\u003eSeparate UKU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"Model\"\u003eDROP 6\u003c\/td\u003e\n\u003ctd data-label=\"Output\"\u003e6 kW\u003c\/td\u003e\n\u003ctd data-label=\"Room volume\"\u003e177 to 318 cu ft\u003c\/td\u003e\n\u003ctd data-label=\"Supply\"\u003e240V or 208V\u003c\/td\u003e\n\u003ctd data-label=\"Controls\"\u003eSeparate UKU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"Model\"\u003eDROP 7\u003c\/td\u003e\n\u003ctd data-label=\"Output\"\u003e7.5 kW\u003c\/td\u003e\n\u003ctd data-label=\"Room volume\"\u003e248 to 389 cu ft\u003c\/td\u003e\n\u003ctd data-label=\"Supply\"\u003e240V or 208V\u003c\/td\u003e\n\u003ctd data-label=\"Controls\"\u003eSeparate UKU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"Model\"\u003eDROP 9\u003c\/td\u003e\n\u003ctd data-label=\"Output\"\u003e9 kW\u003c\/td\u003e\n\u003ctd data-label=\"Room volume\"\u003e283 to 460 cu ft\u003c\/td\u003e\n\u003ctd data-label=\"Supply\"\u003e240V or 208V\u003c\/td\u003e\n\u003ctd data-label=\"Controls\"\u003eSeparate UKU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"shc-note\"\u003eThe DROP takes the larger 2 to 4 inch stone grade, HUUM part H3099021, in 33 lb boxes. The CLIFF and STEEL families take a smaller grade, so do not carry stone over between them.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"shc-sec w\"\u003e\n\u003cdiv class=\"shc-wrap\"\u003e\n\u003cp class=\"shc-eyebrow\"\u003eThe choice\u003c\/p\u003e\n\u003ch2 class=\"shc-h2\"\u003eA HUUM Heater Is Three Purchases\u003c\/h2\u003e\n\u003cp class=\"shc-p\"\u003eThis is true of every HUUM electric heater and it catches people out, so it is worth saying plainly on the page for the one most first-time HUUM buyers start with.\u003c\/p\u003e\n\u003cdiv class=\"shc-grid3\"\u003e\n\u003cdiv class=\"shc-card\"\u003e\n\u003ch3\u003eThe heater\u003c\/h3\u003e\n\u003cp\u003eThe DROP itself, in the output your room needs. It arrives with no controls on it, because HUUM keeps every electric model clean by putting the control on the wall outside.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"shc-card\"\u003e\n\u003ch3\u003eThe UKU control\u003c\/h3\u003e\n\u003cp\u003eEvery HUUM electric heater takes a UKU, mounted outside the sauna. It is a separate purchase and a separate wall position, and the panel finish you choose changes what the control can do.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"shc-card\"\u003e\n\u003ch3\u003eThe stone\u003c\/h3\u003e\n\u003cp\u003eSold by the 33 lb box and never included with a bare heater. The DROP takes the 2 to 4 inch grade. A package counts the boxes for you.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cfigure class=\"shc-fig\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-drop-9-stones_detail.jpg?width=1000\" alt=\"Stones and steam on the HUUM DROP sauna heater\" width=\"1000\" height=\"625\" loading=\"lazy\" style=\"min-height:0;height:auto;aspect-ratio:16\/10;object-fit:cover;object-position:center 55%;\"\u003e\u003cfigcaption\u003eStones and steam on the DROP, which takes the larger 2 to 4 inch grade.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"shc-sec\"\u003e\n\u003cdiv class=\"shc-wrap\"\u003e\n\u003cp class=\"shc-eyebrow\"\u003eBefore you order\u003c\/p\u003e\n\u003ch2 class=\"shc-h2\"\u003eBefore You Order a HUUM DROP\u003c\/h2\u003e\n\u003cdiv class=\"shc-warn\"\u003e\n\u003cstrong\u003eThe model number is not the kilowatt rating.\u003c\/strong\u003e A DROP 4 is 4.5 kW and a DROP 7 is 7.5 kW. When you are matching a heater to a circuit, use the kilowatt figure and the published amperage, never the number in the name.\u003c\/div\u003e\n\u003ch3 class=\"shc-h3\"\u003eGet the stone grade right\u003c\/h3\u003e\n\u003cp class=\"shc-p\"\u003eThe DROP takes HUUM part H3099021, the 2 to 4 inch grade, in 33 lb boxes. The CLIFF and STEEL families take a smaller 1.2 to 2 inch stone. Ordering across the two is the commonest HUUM mistake we see, and a package removes the risk.\u003c\/p\u003e\n\u003ch3 class=\"shc-h3\"\u003e240 or 208 volts, confirmed before you order\u003c\/h3\u003e\n\u003cp class=\"shc-p\"\u003eThe DROP is built for either supply, but they are not interchangeable after the fact. Confirm what the building has and have your electrician size the circuit from the published amperage for that version.\u003c\/p\u003e\n\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"shc-sec\"\u003e\n\u003cdiv class=\"shc-wrap\"\u003e\n\u003cp class=\"shc-eyebrow\"\u003eStaff picks\u003c\/p\u003e\n\u003ch2 class=\"shc-h2\"\u003eWhich DROP for Your Room\u003c\/h2\u003e\n\u003cp class=\"shc-p\"\u003eThree picks across the range, each one the package, so the UKU and the stone are already counted.\u003c\/p\u003e\n\u003cdiv class=\"shc-grid3\"\u003e\n\u003cdiv class=\"shc-pick\"\u003e\n\u003cp class=\"shc-pick-tag\"\u003e106 to 248 cu ft\u003c\/p\u003e\n\u003ch3\u003eHUUM DROP 4 Package\u003c\/h3\u003e\n\u003cp\u003eThe smallest DROP, for a compact indoor room or a one to two person bench. Heater, UKU control and stone.\u003c\/p\u003e\n\u003ca href=\"\/products\/huum-drop-4-sauna-heater-package\"\u003eSee the DROP 4 package\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"shc-pick\"\u003e\n\u003cp class=\"shc-pick-tag\"\u003e177 to 318 cu ft\u003c\/p\u003e\n\u003ch3\u003eHUUM DROP 6 Package\u003c\/h3\u003e\n\u003cp\u003eThe size most home saunas land on, and the commonest DROP we ship.\u003c\/p\u003e\n\u003ca href=\"\/products\/huum-drop-6-sauna-heater-package\"\u003eSee the DROP 6 package\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"shc-pick\"\u003e\n\u003cp class=\"shc-pick-tag\"\u003e283 to 460 cu ft\u003c\/p\u003e\n\u003ch3\u003eHUUM DROP 9 Package\u003c\/h3\u003e\n\u003cp\u003eThe top of the family, for a larger room that still wants the heater on the wall.\u003c\/p\u003e\n\u003ca href=\"\/products\/huum-drop-9-sauna-heater-package\"\u003eSee the DROP 9 package\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"shc-sec\"\u003e\n\u003cdiv class=\"shc-wrap shc-faq\"\u003e\n\u003cp class=\"shc-eyebrow\"\u003eQuestions answered\u003c\/p\u003e\n\u003ch2 class=\"shc-h2\"\u003eHUUM DROP Sauna Heaters: Frequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat size HUUM DROP do I need?\u003c\/summary\u003e\u003cp\u003eHUUM rates the DROP 4 for 106 to 248 cubic feet, the DROP 6 for 177 to 318, the DROP 7 for 248 to 389 and the DROP 9 for 283 to 460. Measure the room in cubic feet and add for a large glass door or any uninsulated surface.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes the HUUM DROP come with a control?\u003c\/summary\u003e\u003cp\u003eNot on its own. Every HUUM electric heater takes a separate UKU control mounted outside the sauna room, and a bare heater does not include one. A DROP package includes the heater, a UKU and the stone together.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat stones does a HUUM DROP take?\u003c\/summary\u003e\u003cp\u003eThe 2 to 4 inch grade, HUUM part H3099021, which ships in 33 lb boxes. The CLIFF and STEEL families use a smaller 1.2 to 2 inch grade instead, so the two are not interchangeable.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhy is the DROP numbered 4, 6, 7 and 9 when the outputs are 4.5, 6, 7.5 and 9 kW?\u003c\/summary\u003e\u003cp\u003eThe model number is a name, not the kilowatt rating. DROP 4 is 4.5 kW and DROP 7 is 7.5 kW. When you are matching a heater to a circuit, use the kilowatt figure and the published amperage, not the number in the name.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan a HUUM DROP run on 208 volts?\u003c\/summary\u003e\u003cp\u003eYes. The DROP is available for 240V or 208V supply. Confirm which the building has before ordering, and have your electrician size the circuit from the published amperage for that version.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs the DROP suitable for a commercial sauna?\u003c\/summary\u003e\u003cp\u003eHUUM publishes a shorter warranty for commercial use than for home use, so check the terms against how the room will be used. For a room with constant traffic, the larger HIVE models are usually the better match for the duty.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"shc-sec w\"\u003e\n\u003cdiv class=\"shc-wrap\"\u003e\n\u003cp class=\"shc-eyebrow\"\u003eRelated\u003c\/p\u003e\n\u003ch2 class=\"shc-h2\"\u003eMore Ways to Shop HUUM\u003c\/h2\u003e\n\u003cdiv class=\"shc-nav\"\u003e\n\u003ca href=\"\/collections\/huum\"\u003eAll HUUM heaters\u003cspan\u003eEvery family in one place\u003c\/span\u003e\u003c\/a\u003e\n\u003ca href=\"\/collections\/huum-packages\"\u003eHUUM heater packages\u003cspan\u003eHeater, UKU control and stone\u003c\/span\u003e\u003c\/a\u003e\n\u003ca href=\"\/collections\/huum-parts-accessories\"\u003eHUUM parts and accessories\u003cspan\u003eRails, reflectors and spares\u003c\/span\u003e\u003c\/a\u003e\n\u003ca href=\"\/pages\/find-your-sauna-heater\"\u003eHeater Finder\u003cspan\u003eSize one to your room\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"shc-cta\"\u003e\n\u003ch2\u003eTell us the room and the supply\u003c\/h2\u003e\n\u003cp style=\"text-align:center;\"\u003eRoom size in cubic feet and whether the building is 240V or 208V. We will tell you which DROP fits and what the UKU adds.\u003c\/p\u003e\n\u003cdiv class=\"shc-btns\"\u003e\n\u003ca class=\"shc-btn\" href=\"tel:+18885005675\"\u003eCall (888) 500-5675\u003c\/a\u003e\n\u003ca class=\"shc-btn alt\" href=\"#product-grid\"\u003eBrowse the DROP range\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","products":[{"product_id":"huum-drop-6-electric-sauna-heater","title":"HUUM DROP 6 Electric Sauna Heater, 6 kW","description":"\u003cstyle\u003e.hdrop6{--ink:#1A1410;--body:#463C33;--mut:#54493D;--accent:#96620A;--bright:#E8A33D;--dark:#171310;--sub:#54493D;--tint:#F7F1E6;--fill:#F0E9DB;--hl:#F6E7CB;--line:#DCCFB4;--warm:#DCCFB4;--edge:#CBBBA0;--rule:#DCCFB4;--r-lg:10px;--r-sm:10px;--r-xs:999px;--gut:20px;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:var(--body);line-height:1.65;letter-spacing:normal;-webkit-font-smoothing:antialiased;background:#fff}.hdrop6 *{box-sizing:border-box}.hdrop6 .hdrop6-c 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.hdrop6-stat3\u003ediv:last-child{border-bottom:0}.hdrop6 .hdrop6-split{grid-template-columns:1fr;gap:24px}.hdrop6 .hdrop6-buy{grid-template-columns:1fr}.hdrop6 .hdrop6-toc ol{grid-template-columns:1fr}}@media screen and (min-width:841px){.hdrop6 .hdrop6-toc\u003esummary{display:none}.hdrop6 .hdrop6-toc ol{display:grid !important}}@media screen and (max-width:560px){.hdrop6 .hdrop6-ladder thead{position:absolute;left:-9999px}.hdrop6 .hdrop6-ladder tr{display:block;border-bottom:1px solid var(--rule);padding:14px var(--gut)}.hdrop6 .hdrop6-ladder tr.hdrop6-on{background:var(--hl)}.hdrop6 .hdrop6-ladder td{display:block;border:0;padding:0}.hdrop6 .hdrop6-ladder td:last-child{text-align:left;font-size:15.5px;margin-top:8px}}.hdrop6 .hdrop6-hl td,.hdrop6 .hdrop6-hl th,.hdrop6 .hdrop6-ladder tr.hdrop6-on td,.hdrop6 table.hdrop6-cmp td.hdrop6-me{border-bottom-color:var(--edge)}@media screen and (max-width:840px){.hdrop6 table.hdrop6-cmp thead a{min-height:44px;display:flex;flex-direction:column;justify-content:flex-end;padding-bottom:2px}}.rte .hdrop6 table th,.rte .hdrop6 table td{padding:11px var(--gut)}.hdrop6 .hdrop6-ladder th:last-child,.hdrop6 .hdrop6-ladder td:last-child{text-align:left;white-space:normal;overflow-wrap:anywhere}.hdrop6 .hdrop6-buy{align-items:start}.hdrop6 .hdrop6-buy li span a{display:inline-block;padding:16px 0;margin:-16px 0}.hdrop6 table.hdrop6-cmp td:first-child{position:sticky;left:0;z-index:1;background:#fff;box-shadow:inset 0 -1px 0 var(--rule),1px 0 0 var(--rule)}.hdrop6 table.hdrop6-cmp thead th:first-child{position:sticky;left:0;z-index:2;background:var(--fill)}@media screen and (max-width:560px){.hdrop6 .hdrop6-ladder td:last-child::before{content:\"Nameplate draw:\\00a0\";font-weight:700;color:var(--ink)}}@media screen and (max-width:480px){.hdrop6 table.hdrop6-spec th,.hdrop6 table.hdrop6-spec td{display:block;width:auto}.hdrop6 table.hdrop6-spec th{border-bottom:0;padding-bottom:0}}.hdrop6 .hdrop6-vid .video-wrapper{position:absolute !important;inset:0;width:100%;height:100%;padding:0 !important;margin:0}.hdrop6 .hdrop6-vid video{position:absolute;inset:0;width:100%;height:100%;display:block;border:0;background:var(--dark);object-fit:cover}.hdrop6 .hdrop6-vid video:focus-visible{outline:3px solid var(--bright);outline-offset:-3px}.hdrop6 .hdrop6-fig{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--edge);background:#fff}.hdrop6 .hdrop6-fig img{width:100%;height:auto;display:block;border:0;border-radius:0;box-shadow:none;mix-blend-mode:multiply}.hdrop6 .hdrop6-c\u003efigure{max-width:560px;margin-left:auto;margin-right:auto}.hdrop6 .hdrop6-close p.hdrop6-eyebrow{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;line-height:1.5}.hdrop6 .hdrop6-stat3 a{color:var(--bright)}.hdrop6 .hdrop6-faq summary h3{margin:0;font-size:inherit;font-weight:inherit;line-height:inherit;display:inline}.hdrop6 .hdrop6-cmp thead a .hdrop6-cmp-here{color:var(--sub);font-weight:600;letter-spacing:.02em;text-transform:none}@media screen and (max-width:560px){.hdrop6 .hdrop6-ladder.hdrop6-rooms td:last-child::before{content:\"Rated room:\\00a0\"}.hdrop6 .hdrop6-ladder.hdrop6-out td:last-child::before{content:\"Output:\\00a0\"}}.hdrop6 .hdrop6-tw + p,.hdrop6 .hdrop6-tw + h3,.hdrop6 .hdrop6-warn + p,.hdrop6 .hdrop6-warn + h3,.hdrop6 .hdrop6-more + p{margin-top:24px}\u003c\/style\u003e\n\u003cdiv class=\"hdrop6\"\u003e\n\u003csection id=\"overview\"\u003e\n  \u003cdiv class=\"hdrop6-c\"\u003e\n    \u003cdetails class=\"hdrop6-disc\"\u003e\u003csummary\u003eJump to\u003cspan class=\"hdrop6-ct\"\u003e9 sections\u003c\/span\u003e\u003c\/summary\u003e\u003col\u003e\n\u003cli\u003e\u003ca href=\"#overview\"\u003eOverview\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#video\"\u003eVideo\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#fit\"\u003eWill it fit\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#parts\"\u003eWhat you need\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#electrical\"\u003eBreaker and wire\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#stones\"\u003eStone\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#compare\"\u003eHow it compares\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#faq\"\u003eQuestions\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#order\"\u003eOrder\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\u003c\/details\u003e\n    \u003cp class=\"hdrop6-eyebrow\"\u003eThe one most home saunas land on\u003c\/p\u003e\n    \u003ch2\u003eThe HUUM DROP 6 is a 6 kW wall mounted electric sauna heater for rooms of 177 to 318 cubic feet\u003c\/h2\u003e\n    \u003cp class=\"hdrop6-lead\"\u003eSix kilowatts covers the middle of the home market, rooms from 177 to 318 cubic feet. It is also the largest DROP that runs on the same circuit as the 4.\u003c\/p\u003e\n    \u003cp\u003eThe DROP hangs on the wall as an upright open cradle of stone. The 3 elements run through the stone rather than behind a panel, so the stone is the thing you see, and HUUM rates this size for 177 to 318 cubic feet at 240 volts.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop6-stat3\"\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"hdrop6-lbl\"\u003eThe room\u003c\/p\u003e\n        \u003cp class=\"hdrop6-big\"\u003e177 to 318 cu. ft.\u003c\/p\u003e\n        \u003cp\u003eLength by width by height, in feet. Add 3.3 cubic feet for every square foot of uninsulated glass, tile or brick. HUUM does not say whether a glass door counts, so counting it is the cautious choice, then size from the adjusted number.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"hdrop6-lbl\"\u003eRated current\u003c\/p\u003e\n        \u003cp class=\"hdrop6-big\"\u003e25 A at 240 V\u003c\/p\u003e\n        \u003cp\u003eHUUM's manual calls for a 30 A breaker and 10 AWG cable, the same circuit the DROP 4 needs on 240 volts. It is hardwired by a licensed electrician, who sizes the circuit to the National Electrical Code. On this model HUUM's breaker figure is below what the Code's continuous-load rule gives for its rated current, so your electrician and inspector decide the breaker and cable, and they may be larger than HUUM's figure.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"hdrop6-lbl\"\u003eThe rest of the order\u003c\/p\u003e\n        \u003cp class=\"hdrop6-big\"\u003eControl and 4 boxes of stone\u003c\/p\u003e\n        \u003cp\u003eNeither is in the carton, and neither needs a second order: open \u003cstrong\u003eComplete your heater\u003c\/strong\u003e just above the Add to Cart button and both travel on this one. A \u003ca href=\"\/products\/huum-uku-wifi-sauna-heater-control\"\u003eHUUM UKU control\u003c\/a\u003e runs the heater from outside the room, and this heater holds about 121.3 lb (55 kg) of \u003ca href=\"\/products\/huum-sauna-stones-5-10-cm\"\u003esauna stone\u003c\/a\u003e.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection id=\"video\"\u003e\n    \u003cp class=\"hdrop6-eyebrow\"\u003eWatch\u003c\/p\u003e\n    \u003cdiv class=\"hdrop6-vidrow\"\u003e\n    \u003cdiv class=\"hdrop6-vid\"\u003e\u003ciframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/K4BQgwESR4c\" title=\"The heat diverter, fitted, HUUM\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n    \u003cdiv class=\"hdrop6-vidbody\"\u003e\n    \u003ch2\u003eThe heat diverter, fitted\u003c\/h2\u003e\n    \u003cp class=\"hdrop6-lead\"\u003eEvery DROP 2.0 ships with the heat diverter. This is how it bolts to the reflector.\u003c\/p\u003e\n    \u003cp\u003eHUUM filmed this itself. Its heater installation films are made for Europe and show European wiring, so we do not run them here: the sauna side of the job is the same, the electrical side is not.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003c\/section\u003e\n\n\n\u003csection class=\"hdrop6-tinted\" id=\"fit\"\u003e\n  \u003cdiv class=\"hdrop6-c\"\u003e\n    \u003cp class=\"hdrop6-eyebrow\"\u003eSizing\u003c\/p\u003e\n    \u003ch2\u003eWill the HUUM DROP 6 heat your sauna?\u003c\/h2\u003e\n    \u003cp class=\"hdrop6-lead\"\u003eSauna heaters are sized on room volume, not floor area. Measure the room in feet and multiply length by width by height: a 7 by 5 room with a 7 foot ceiling is 35 square feet and 245 cubic feet. Pick the heater whose published range contains that figure.\u003c\/p\u003e\n    \u003cp\u003eHUUM rates the DROP 6 for \u003cstrong\u003e177 to 318 cubic feet\u003c\/strong\u003e on a 240 volt supply.\u003c\/p\u003e\n    \u003cp\u003eCold surfaces change the answer and most buyers forget them. HUUM's manual says to add \u003cstrong\u003e3.3 cubic feet of volume for every square foot\u003c\/strong\u003e of uninsulated brick, tile or glass in the room. The result is your adjusted cubic feet, and that is the number HUUM's range refers to. A single glass door is often enough to push a borderline room up a model.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop6-tw\"\u003e\u003ctable class=\"hdrop6-ladder hdrop6-out\"\u003e\n      \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eRated room\u003c\/th\u003e\n\u003cth\u003eOutput\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n      \u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop6-kw\"\u003eDROP 4\u003c\/td\u003e\n\u003ctd\u003e106 to 248 cu. ft. at 240 V, 89 to 177 at 208 V\u003c\/td\u003e\n\u003ctd\u003e4.5 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"hdrop6-on\"\u003e\n\u003ctd class=\"hdrop6-kw\"\u003eDROP 6 \u003cspan class=\"hdrop6-tag\"\u003eThis heater\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e177 to 318 cu. ft. at 240 V, 142 to 248 at 208 V\u003c\/td\u003e\n\u003ctd\u003e6 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop6-kw\"\u003eDROP 7\u003c\/td\u003e\n\u003ctd\u003e248 to 389 cu. ft. at 240 V, 177 to 301 at 208 V\u003c\/td\u003e\n\u003ctd\u003e7.5 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop6-kw\"\u003eDROP 9\u003c\/td\u003e\n\u003ctd\u003e283 to 460 cu. ft. at 240 V, 212 to 354 at 208 V\u003c\/td\u003e\n\u003ctd\u003e9 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n    \u003c\/table\u003e\u003c\/div\u003e\n    \u003ch3\u003eA worked example for the DROP 6\u003c\/h3\u003e\n    \u003cp\u003eTake a two to four person sauna 7 feet by 6 feet with a 7 foot ceiling. That is 42 square feet and 294 cubic feet, inside this heater's 177 to 318. Add a full glass door, take 13 square feet as an example and measure your own, and the adjustment of 3.3 cubic feet a square foot puts the room at roughly 337, which is past the DROP 6 and into DROP 7 territory. A glass door is the single most common reason a room that looks like a 6 kW job is not one.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop6-warn\"\u003e\u003cp\u003e\u003cb\u003eThe minimum sauna room height for a DROP is 75 inches (1900 mm).\u003c\/b\u003e HUUM recommends 79 to 91 inches and asks for 44 to 51 inches between the top bench and the ceiling. HUUM advises lowering a taller ceiling into its recommended range to reduce the volume.\u003c\/p\u003e\u003c\/div\u003e\n    \u003cp\u003eNot sure which way a borderline room goes? Our \u003ca href=\"\/pages\/find-your-sauna-heater\"\u003esauna heater finder\u003c\/a\u003e walks the same arithmetic, the \u003ca href=\"\/pages\/sauna-heater-buyers-guide\"\u003esauna heater buyers guide\u003c\/a\u003e explains what the numbers mean, or call and we will do it with you.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"design\"\u003e\n  \u003cdiv class=\"hdrop6-c\"\u003e\n    \u003cp class=\"hdrop6-eyebrow\"\u003eWhat makes it a DROP\u003c\/p\u003e\n    \u003ch2\u003eWhy the DROP 6 looks like a basket of stone\u003c\/h2\u003e\n    \u003cp class=\"hdrop6-lead\"\u003eMost electric heaters hide their elements behind a steel skin and vent hot air off the top. The DROP does the opposite, and that is the whole reason to choose one.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop6-block\"\u003e\n        \u003ch3\u003eThe stone is the surface\u003c\/h3\u003e\n        \u003cp\u003eAbout 121.3 lb (55 kg) of stone sits in an open cradle with the 3 elements running through it. Ladle onto the stone, never onto the metal, and the water meets hot rock across the whole face of the heater rather than one small tray, so the steam arrives soft and even rather than sharp.\u003c\/p\u003e\n        \u003ch3\u003eIt takes no floor\u003c\/h3\u003e\n        \u003cp\u003eThe heater hangs on the frame in the box and stands 23.2 inches tall by 15.4 wide and 13.2 deep, so it uses wall rather than floor. In a small room that is usually the difference between a bench you can lie on and one you cannot.\u003c\/p\u003e\n        \u003ch3\u003eIt can be sunk into the bench\u003c\/h3\u003e\n        \u003cp\u003eWith the \u003ca href=\"\/products\/huum-drop-embedding-flange\"\u003eDROP embedding flange\u003c\/a\u003e the heater drops into a bench or the floor, as long as at least 15 inches of it stays above the surface. The flange covers the cut edges.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cfigure\u003e\u003cdiv class=\"hdrop6-fig\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-drop-6-studio.jpg?v=1789889006\u0026amp;width=1200\" alt=\"HUUM DROP wall mounted electric sauna heater filled with stones\" width=\"2048\" height=\"2048\" loading=\"eager\"\u003e\u003c\/div\u003e\n\u003cfigcaption\u003eThe DROP hangs on a wall frame and carries its stone in the open.\u003c\/figcaption\u003e\u003c\/figure\u003e\n    \u003ch3\u003eWhy the DROP 6 is the usual answer\u003c\/h3\u003e\n    \u003cp\u003eTwo things make this the common choice. The room range covers the majority of home saunas, and on a 240 volt supply the circuit is the one the DROP 4 already needs: a 30 amp breaker and 10 AWG cable in HUUM's manual. On 240 volts, stepping up from the 4 to the 6 does not change what HUUM asks for. Whether your electrician can reuse the same breaker and cable is their call, because a continuous load is sized with headroom, so confirm it before you assume the panel work is identical. On 208 volts the two models differ anyway, 20 amps against 30.\u003c\/p\u003e\n\u003cp\u003eAbove this size the electrical work changes. The DROP 7 calls for a 40 amp breaker and thicker 8 AWG cable, the DROP 9 for 50 amps. If your room sits near the top of this heater's range, price that panel work before you decide which way to go.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop6-warn\"\u003e\u003cp\u003e\u003cb\u003eThe heat diverter is in the carton on every DROP size, not just the 9 kW.\u003c\/b\u003e It protects the wall behind the heater and the corner of the ceiling. That changed with HUUM's April 2026 manual, and several dealer listings still show the old arrangement.\u003c\/p\u003e\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrop6-tinted\" id=\"parts\"\u003e\n  \u003cdiv class=\"hdrop6-c\"\u003e\n    \u003cp class=\"hdrop6-eyebrow\"\u003eThe whole order\u003c\/p\u003e\n    \u003ch2\u003eWhat a working DROP 6 takes, beyond the heater\u003c\/h2\u003e\n    \u003cp class=\"hdrop6-lead\"\u003eA sauna heater is three purchases, and the other two are easy to miss. Nothing here is padding: the heater will not run without them.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop6-tw\"\u003e\u003ctable class=\"hdrop6-spec\"\u003e\n      \u003ccaption\u003eRequired to operate\u003c\/caption\u003e\n      \u003ctr class=\"hdrop6-hl\"\u003e\n\u003cth\u003eThe heater\u003c\/th\u003e\n\u003ctd\u003eThis page. Ships by parcel carrier.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eA certified control\u003c\/th\u003e\n\u003ctd\u003eThe control unit goes outside the hot room, and a heater in a public sauna has to have a timer. HUUM's matched control is the UKU, and it is the controller the heater was certified with: the \u003ca href=\"\/products\/huum-uku-local-sauna-heater-control\"\u003eHUUM UKU Local control\u003c\/a\u003e or the \u003ca href=\"\/products\/huum-uku-wifi-sauna-heater-control\"\u003eHUUM UKU Wi-Fi control\u003c\/a\u003e.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003e4 boxes of stone\u003c\/th\u003e\n\u003ctd\u003eAbout 121.3 lb (55 kg), 2 to 4 inches (5 to 10 cm). \u003ca href=\"\/products\/huum-sauna-stones-5-10-cm\"\u003eHUUM olivine diabase sauna stones\u003c\/a\u003e come in 33 pound boxes.\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\u003c\/div\u003e\n    \u003ch3\u003eA guard is a code item, not an upsell\u003c\/h3\u003e\n    \u003cp\u003eThe International Residential Code asks for sauna heaters to be protected from accidental contact by a guard made of a material with low thermal conductivity, such as wood, without blocking the heat. You can build one or use the \u003ca href=\"\/products\/huum-drop-safety-rail\"\u003eDROP safety rail\u003c\/a\u003e. HUUM adds that when the railing is a flammable material such as wood, the heater's minimum clearances still have to be kept to the railing itself. Check what your local code has adopted.\u003c\/p\u003e\n    \u003ch3\u003eOptional\u003c\/h3\u003e\n    \u003cp\u003eA \u003ca href=\"\/products\/huum-drop-drip-tray\"\u003edrip tray\u003c\/a\u003e protects the floor under the heater from stone dust and splash. The \u003ca href=\"\/products\/huum-drop-embedding-flange\"\u003eembedding flange\u003c\/a\u003e is only needed if the heater is sunk into a bench.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop6-warn\"\u003e\u003cp\u003eBuying the heater, the control and the stone together settles the order in one go: our \u003ca href=\"\/products\/huum-drop-6-sauna-heater-package\"\u003eHUUM DROP 6 sauna heater package\u003c\/a\u003e is exactly that, priced at the parts added together. Or call and we will price the heater, control and stone together.\u003c\/p\u003e\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"electrical\"\u003e\n  \u003cdiv class=\"hdrop6-c\"\u003e\n    \u003cp class=\"hdrop6-eyebrow\"\u003eElectrical\u003c\/p\u003e\n    \u003ch2\u003eThe breaker and wire size the HUUM DROP 6 needs\u003c\/h2\u003e\n    \u003cp class=\"hdrop6-lead\"\u003eSettle this before you buy, because it is the line item that surprises people. The heater is hardwired by a licensed electrician.\u003c\/p\u003e\n    \u003cp\u003eThe figures below are HUUM's, from its US manual. They are the manufacturer's minimum, not a design for your house: sauna heating is a continuous load, so the National Electrical Code can require a larger breaker and heavier conductors than the manual's figure, and local amendments differ. Your electrician sizes the circuit. On this model HUUM's breaker figure is below what the Code's continuous-load rule gives for its rated current, so your electrician and inspector decide the breaker and cable, and they may be larger than HUUM's figure.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop6-tw\"\u003e\u003ctable class=\"hdrop6-ladder hdrop6-rooms\"\u003e\n      \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSupply\u003c\/th\u003e\n\u003cth\u003eWhat HUUM specifies\u003c\/th\u003e\n\u003cth\u003eRated room\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr class=\"hdrop6-on\"\u003e\n\u003ctd class=\"hdrop6-kw\"\u003e240 V\u003cspan class=\"hdrop6-tag\"\u003eMost homes\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e6 kW, 25 A, 30 A breaker, 10 AWG minimum cable\u003c\/td\u003e\n\u003ctd\u003e177 to 318 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd class=\"hdrop6-kw\"\u003e208 V\u003c\/td\u003e\n\u003ctd\u003e4.5 kW, 21.63 A, 30 A breaker, 10 AWG minimum cable\u003c\/td\u003e\n\u003ctd\u003e142 to 248 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\u003c\/div\u003e\n    \u003ch3\u003eWhat the manual requires\u003c\/h3\u003e\n    \u003cp\u003eThe supply cable has to meet UL 62 in the United States or CSA 49 in Canada. Crimping the cable ends is mandatory, cable with non heat resistant PVC insulation is not allowed, and any junction box inside the sauna must be waterproof and no higher than 19 11\/16 inches off the floor.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop6-warn\"\u003e\u003cp\u003e\u003cb\u003eHUUM recommends connecting the heater without a GFCI breaker.\u003c\/b\u003e Its manual says it is recommended to connect the unit to the mains without one. Whether you can follow that depends on where the sauna goes and which edition of the electrical code your area has adopted: an outdoor sauna at a home may fall inside the Code's ground fault requirement for outdoor outlets at these ratings, depending on the edition adopted and how your inspector reads it, while an indoor hardwired heater usually is not caught. Where the manual and the adopted code disagree, the code and your inspector decide. Settle it with your electrician at the rough-in, and ask about nuisance tripping while you are there.\u003c\/p\u003e\u003c\/div\u003e\n    \u003ch3\u003eWhy it is listed, and why that matters\u003c\/h3\u003e\n    \u003cp\u003eIt is listed by SGS, not by UL. SGS North America is on OSHA's list of nationally recognized testing laboratories, and it lists the DROP 6 for the United States and Canada under certificate SGSNA\/20\/SUW\/00067X, to UL 60335-1, CAN\/CSA C22.2 No. 60335-1, CAN\/CSA E60335-2-53 and IEC 60335-2-53. SGS records that listing at 240 V. HUUM's current US manual also publishes 208 V ratings for this heater, so on a 208 V supply confirm acceptance with your local inspector before you wire it. The listing applies on the conditions SGS records against it: the heater is used with sauna stones, run from an approved sauna heater controller (the listing was evaluated with the UKU), supplied by conductors rated to at least 90 degrees C, and carries the warning tag on the bottom rung of the frame. Inspectors differ on what they ask to see for a sauna heater, so check with yours before you buy. We can send you the certificate.\u003c\/p\u003e\n  \u003ch3\u003eWhy this page quotes two voltages\u003c\/h3\u003e\n\u003cp\u003eThere is nothing to pick here, and nothing on this page selects it. Almost every US home is supplied at 240 volts, while many commercial buildings and some apartment blocks are supplied at 208. It is the same heater either way, wired the same way: on 208 volts it draws less and makes less heat, so HUUM publishes a separate output and a smaller room range for it, which is why the rows under the Add to Cart button and the table below both give two. Your electrician reads the panel and tells you which row applies. Either way it is hardwired into the circuit, not plugged into an outlet.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrop6-tinted\" id=\"install\"\u003e\n  \u003cdiv class=\"hdrop6-c\"\u003e\n    \u003cp class=\"hdrop6-eyebrow\"\u003eClearances\u003c\/p\u003e\n    \u003ch2\u003eWhere the HUUM DROP 6 can go\u003c\/h2\u003e\n    \u003cp class=\"hdrop6-lead\"\u003eA wall mounted sauna heater still has clearances, and every DROP size has its own set, because a hotter heater needs more room around it. These are this model's figures, and they assume the stone bed is properly filled.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop6-tw\"\u003e\u003ctable class=\"hdrop6-spec\"\u003e\n      \u003ccaption\u003eMinimum distances, DROP 6\u003c\/caption\u003e\n      \u003ctr\u003e\n\u003cth\u003eTo the side wall\u003c\/th\u003e\n\u003ctd\u003e4.72 in\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eAbove the heater, to the ceiling\u003c\/th\u003e\n\u003ctd\u003e47.25 in\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eBelow the heater, to the floor\u003c\/th\u003e\n\u003ctd\u003e3 15\/16 in (100 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eBody size\u003c\/th\u003e\n\u003ctd\u003e15.4 in W x 13.2 in D x 23.2 in H\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eWeight on the wall\u003c\/th\u003e\n\u003ctd\u003e24.3 lb empty. HUUM gives 143.3 lb for a DROP with its stone in.\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\u003c\/div\u003e\n    \u003cp\u003eHUUM's Table 1 carries further setting-out dimensions that only make sense against the manual's own drawing, which we can send before you order.\u003c\/p\u003e\n    \u003cp\u003eThe frame carries the whole loaded weight, so check what is in that stud bay before the lining boards go on, and run the cable at the same time.\u003c\/p\u003e\n    \u003cp\u003eThe room itself has to be built for a sauna, with an insulated shell, a vapor barrier and supply and exhaust vents. Our \u003ca href=\"\/collections\/traditional-saunas\"\u003etraditional sauna rooms\u003c\/a\u003e arrive built that way.\u003c\/p\u003e\n  \u003cfigure\u003e\u003cdiv class=\"hdrop6-fig\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-drop-6-in_sauna.jpg?width=1200\" alt=\"HUUM DROP in a sauna with the HUUM DROP safety rail (sold separately) fitted\" width=\"2048\" height=\"2048\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003cfigcaption\u003eIn a finished sauna, with the clearances this page lists.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"stones\"\u003e\n  \u003cdiv class=\"hdrop6-c\"\u003e\n    \u003cp class=\"hdrop6-eyebrow\"\u003eStone\u003c\/p\u003e\n    \u003ch2\u003eHow much stone the DROP 6 takes, and how to lay it\u003c\/h2\u003e\n    \u003cp class=\"hdrop6-lead\"\u003eThe stone is not a finishing touch. It is the thermal mass that turns 6 kW into steam, and the heater may not be switched on without it.\u003c\/p\u003e\n    \u003cp\u003eThis heater holds \u003cstrong\u003eabout 121.3 lb (55 kg)\u003c\/strong\u003e, which is \u003cstrong\u003e4 boxes\u003c\/strong\u003e of HUUM stone. HUUM asks for natural stone 2 to 4 inches (5 to 10 cm) across, and supplies olivine diabase in 33 pound boxes. Decorative stone is not a substitute: it stores little heat, breaks up, and the pieces block the airflow the elements depend on.\u003c\/p\u003e\n    \u003ch3\u003eLaying it\u003c\/h3\u003e\n    \u003cp\u003eHUUM films the job for the DROP; ask us and we will send you the link to its stone placement film.\u003c\/p\u003e\n    \u003cp\u003eWash the stone first. Lay it piece by piece rather than pouring it in, biggest at the bottom and the sides, smaller pieces wedging them in place. Pack the outer face tightly enough that no element shows through, but leave air paths inside. \u003c\/p\u003e\n    \n    \u003cdiv class=\"hdrop6-warn\"\u003e\u003cp\u003e\u003cb\u003eA sparsely filled stone bed is a fire hazard.\u003c\/b\u003e The clearances on this page assume the elements are covered by stone. Damage caused by unsuitable stone is not covered by HUUM's warranty.\u003c\/p\u003e\u003c\/div\u003e\n    \u003cp\u003eFour boxes, the same as every other DROP. The stone load does not change across the range, so stepping from the 4 to the 6 buys output, not mass.\u003c\/p\u003e\n    \u003ch3\u003eHUUM's own warnings\u003c\/h3\u003e\n    \u003cp\u003eWorth reading before the first session, in HUUM's words: the heater may be used only when it has been correctly filled with stones; do not cover it, because that causes a fire hazard; do not touch a working heater, because it causes burns; never make steam with a water hose; use fragrances and oils only in the steam water, because poured onto the stones undiluted they can catch fire; sauna doors should always open outward; never ladle water while someone is close to the heater, because the steam can burn; and do not leave small children in the sauna unattended. HUUM adds that sudden cooling after a sauna is not recommended for people in poor health, who should ask a doctor first.\u003c\/p\u003e\n    \u003ch3\u003eLooking after it\u003c\/h3\u003e\n    \u003cp\u003eHUUM asks for a visual check after about 100 hours of use or at least once a year, a rearrange and replacement of any cracked pieces at about 200 hours, and all of it replaced at about 400 hours. Stone crumbles as it cycles, and the dust is what eventually blocks the airflow.\u003c\/p\u003e\n  \u003cfigure\u003e\u003cdiv class=\"hdrop6-fig\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-drop-6-stones_detail.jpg?width=1200\" alt=\"Stones and steam on the HUUM DROP sauna heater\" width=\"2048\" height=\"2048\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003cfigcaption\u003eThe stone bed, filled as the manual asks.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrop6-tinted\" id=\"costs\"\u003e\n  \u003cdiv class=\"hdrop6-c\"\u003e\n    \u003cp class=\"hdrop6-eyebrow\"\u003eRunning cost\u003c\/p\u003e\n    \u003ch2\u003eWhat the DROP 6 costs to run\u003c\/h2\u003e\n    \u003cp class=\"hdrop6-lead\"\u003eA sauna heater draws its full rated power while it heats, then cycles on the thermostat to hold temperature. That makes the ceiling easy to calculate and the real figure lower.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop6-tw\"\u003e\u003ctable class=\"hdrop6-spec\"\u003e\n      \u003ccaption\u003eAt the US average residential price of 18.3 cents a kilowatt hour (EIA, June 2026)\u003c\/caption\u003e\n      \u003ctr\u003e\n\u003cth\u003eFull output, one hour\u003c\/th\u003e\n\u003ctd\u003e6 kW x 0.183 = about 1.10 dollars\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eThree hours at full draw, heat up and a session\u003c\/th\u003e\n\u003ctd\u003eabout 3.29 dollars\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eThree of those a week\u003c\/th\u003e\n\u003ctd\u003eabout 10 dollars a week\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\u003c\/div\u003e\n    \u003cp\u003eThose are ceilings, not averages: once the room is at temperature the heater is off more than it is on, so the real bill lands under them. Your own rate is on your utility bill and varies widely by state.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop6-warn\"\u003e\u003cp\u003e\u003cb\u003eInsulation controls this number, not the heater.\u003c\/b\u003e A sauna that leaks heat runs the elements continuously, which costs more and wears them out sooner.\u003c\/p\u003e\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"crate\"\u003e\n  \u003cdiv class=\"hdrop6-c\"\u003e\n    \u003cp class=\"hdrop6-eyebrow\"\u003eWhat you get\u003c\/p\u003e\n    \u003ch2\u003eIn the DROP 6 carton\u003c\/h2\u003e\n    \u003cdiv class=\"hdrop6-pairup\"\u003e\n      \u003cdiv\u003e\n        \u003cul class=\"hdrop6-chk\"\u003e\n\u003cli\u003eElectric heater\u003c\/li\u003e\n\u003cli\u003eHeater mounting plate\u003c\/li\u003e\n\u003cli\u003eReflector\u003c\/li\u003e\n\u003cli\u003eHeating element spacers\u003c\/li\u003e\n\u003cli\u003eHeating element retainer\u003c\/li\u003e\n\u003cli\u003eHeat diverter with fastenings\u003c\/li\u003e\n\u003cli\u003eInstallation and operation manual\u003c\/li\u003e\n\u003c\/ul\u003e\n      \u003c\/div\u003e\n      \u003cdiv\u003e\n        \u003ch3\u003eNot included\u003c\/h3\u003e\n        \u003cp\u003eThe control, the stone, and the electrical work. The control and 4 boxes of stone are required to operate the heater; the rail, drip tray and embedding flange are optional.\u003c\/p\u003e\n        \u003ch3\u003eLead time\u003c\/h3\u003e\n        \u003cp\u003eDelivery estimates are shown on this page and at checkout. If you need a date before you commit, call us and we will confirm the current position with the distributor.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrop6-tinted\" id=\"specs\"\u003e\n  \u003cdiv class=\"hdrop6-c\"\u003e\n    \u003cp class=\"hdrop6-eyebrow\"\u003eReference\u003c\/p\u003e\n    \u003ch2\u003eHUUM DROP 6 specifications\u003c\/h2\u003e\n    \u003cdetails class=\"hdrop6-more\" open\u003e\n      \u003csummary\u003eFull specification tables\u003c\/summary\u003e\n      \u003cdiv class=\"hdrop6-tw\"\u003e\u003ctable class=\"hdrop6-spec\"\u003e\n\u003ccaption\u003eFrom the DROP 2.0 User Manual US v8 (April 2026), Tables 1 to 3\u003c\/caption\u003e\n\u003ctr\u003e\n\u003cth\u003eHeater output\u003c\/th\u003e\n\u003ctd\u003e6 kW at 240 V, 4.5 kW at 208 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRoom volume\u003c\/th\u003e\n\u003ctd\u003e177 to 318 adjusted cu. ft. at 240 V, 142 to 248 cu. ft. at 208 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMinimum room height\u003c\/th\u003e\n\u003ctd\u003e75 in (1900 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRated current\u003c\/th\u003e\n\u003ctd\u003e25 A at 240 V, 21.63 A at 208 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCircuit breaker\u003c\/th\u003e\n\u003ctd\u003e30 A at 240 V, 30 A at 208 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMinimum supply cable\u003c\/th\u003e\n\u003ctd\u003e10 AWG at 240 V, 10 AWG at 208 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeating elements\u003c\/th\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStone capacity\u003c\/th\u003e\n\u003ctd\u003eAbout 121.3 lb (55 kg), 4 boxes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStone size\u003c\/th\u003e\n\u003ctd\u003e2 to 4 in (5 to 10 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBody size\u003c\/th\u003e\n\u003ctd\u003e15.4 in W x 13.2 in D x 23.2 in H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight with stone\u003c\/th\u003e\n\u003ctd\u003e143.3 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eClearance to the side wall\u003c\/th\u003e\n\u003ctd\u003e4.72 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eClearance above the heater\u003c\/th\u003e\n\u003ctd\u003e47.25 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting\u003c\/th\u003e\n\u003ctd\u003eWall mounted on the supplied frame\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eControl\u003c\/th\u003e\n\u003ctd\u003eSeparate certified control required, sold separately\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n      \u003cdiv class=\"hdrop6-tw\"\u003e\u003ctable class=\"hdrop6-spec\"\u003e\n\u003ccaption\u003ePart number, certification and warranty\u003c\/caption\u003e\n\u003ctr\u003e\n\u003cth\u003ePart number\u003c\/th\u003e\n\u003ctd\u003eH1001062\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeater weight, empty\u003c\/th\u003e\n\u003ctd\u003e24.3 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupply\u003c\/th\u003e\n\u003ctd\u003eSingle phase, 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCertification\u003c\/th\u003e\n\u003ctd\u003eSGS Listed for North America (SGSNA\/20\/SUW\/00067X)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003eHUUM limited warranty, 3 years for private use and 1 year for commercial use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"compare\"\u003e\n  \u003cdiv class=\"hdrop6-c\"\u003e\n    \u003cp class=\"hdrop6-eyebrow\"\u003eThe range\u003c\/p\u003e\n    \u003ch2\u003eHUUM DROP 6 against the rest of the DROP range\u003c\/h2\u003e\n    \u003cp class=\"hdrop6-lead\"\u003eAll four take the same wall frame, the same stone load and the same controls. The choice is room volume and the circuit you can supply. Every figure below is HUUM's own, from its US manual, and the breaker column is the manufacturer's minimum rather than a design for your house.\u003c\/p\u003e\n    \u003cp\u003eScroll the table sideways to see every model.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop6-tw hdrop6-tw--scroll\"\u003e\u003ctable class=\"hdrop6-cmp\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/huum-drop-4-electric-sauna-heater\"\u003e\u003cspan class=\"hdrop6-cmp-h\"\u003eHUUM\u003c\/span\u003e\u003cspan class=\"hdrop6-cmp-m\"\u003eDROP 4\u003c\/span\u003e\u003cspan class=\"hdrop6-cmp-here\"\u003e4.5 kW, 106 to 248 cu. ft.\u003c\/span\u003e\u003c\/a\u003e\u003c\/th\u003e\n\u003cth class=\"hdrop6-me\"\u003e\n\u003cspan class=\"hdrop6-cmp-h\"\u003eHUUM\u003c\/span\u003e\u003cspan class=\"hdrop6-cmp-m\"\u003eDROP 6\u003c\/span\u003e\u003cspan class=\"hdrop6-cmp-here\"\u003eYou are here\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/huum-drop-7-electric-sauna-heater\"\u003e\u003cspan class=\"hdrop6-cmp-h\"\u003eHUUM\u003c\/span\u003e\u003cspan class=\"hdrop6-cmp-m\"\u003eDROP 7\u003c\/span\u003e\u003cspan class=\"hdrop6-cmp-here\"\u003e7.5 kW, 248 to 389 cu. ft.\u003c\/span\u003e\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/huum-drop-9-electric-sauna-heater\"\u003e\u003cspan class=\"hdrop6-cmp-h\"\u003eHUUM\u003c\/span\u003e\u003cspan class=\"hdrop6-cmp-m\"\u003eDROP 9\u003c\/span\u003e\u003cspan class=\"hdrop6-cmp-here\"\u003e9 kW, 283 to 460 cu. ft.\u003c\/span\u003e\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput at 240 V\u003c\/td\u003e\n\u003ctd\u003e4.5 kW\u003c\/td\u003e\n\u003ctd class=\"hdrop6-me\"\u003e6 kW\u003c\/td\u003e\n\u003ctd\u003e7.5 kW\u003c\/td\u003e\n\u003ctd\u003e9 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated room\u003c\/td\u003e\n\u003ctd\u003e106 to 248 cu. ft.\u003c\/td\u003e\n\u003ctd class=\"hdrop6-me\"\u003e177 to 318 cu. ft.\u003c\/td\u003e\n\u003ctd\u003e248 to 389 cu. ft.\u003c\/td\u003e\n\u003ctd\u003e283 to 460 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003e18.75 A\u003c\/td\u003e\n\u003ctd class=\"hdrop6-me\"\u003e25 A\u003c\/td\u003e\n\u003ctd\u003e31.25 A\u003c\/td\u003e\n\u003ctd\u003e37.5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBreaker\u003c\/td\u003e\n\u003ctd\u003e30 A\u003c\/td\u003e\n\u003ctd class=\"hdrop6-me\"\u003e30 A\u003c\/td\u003e\n\u003ctd\u003e40 A\u003c\/td\u003e\n\u003ctd\u003e50 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum cable\u003c\/td\u003e\n\u003ctd\u003e10 AWG\u003c\/td\u003e\n\u003ctd class=\"hdrop6-me\"\u003e10 AWG\u003c\/td\u003e\n\u003ctd\u003e8 AWG\u003c\/td\u003e\n\u003ctd\u003e8 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElements\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd class=\"hdrop6-me\"\u003e3\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStone\u003c\/td\u003e\n\u003ctd\u003e4 boxes\u003c\/td\u003e\n\u003ctd class=\"hdrop6-me\"\u003e4 boxes\u003c\/td\u003e\n\u003ctd\u003e4 boxes\u003c\/td\u003e\n\u003ctd\u003e4 boxes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n    \u003ch3\u003eWhen a DROP is the wrong heater\u003c\/h3\u003e\n    \u003cp\u003eThe DROP tops out at 9 kW and hangs on a wall. For a room above 460 cubic feet, or a commercial room that reheats group after group, a STEEL at about 330 pounds of stone, or a HIVE at 528, holds temperature better. Compare the whole range on our \u003ca href=\"\/collections\/electric-sauna-heaters\"\u003eelectric sauna heaters\u003c\/a\u003e page, browse every \u003ca href=\"\/collections\/sauna-heaters\"\u003esauna heater\u003c\/a\u003e we carry, or see every model in our \u003ca href=\"\/collections\/huum\"\u003eHUUM sauna heaters\u003c\/a\u003e collection.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"faq\"\u003e\n  \u003cdiv class=\"hdrop6-c\"\u003e\n    \u003cp class=\"hdrop6-eyebrow\"\u003eBuyer questions\u003c\/p\u003e\n    \u003ch2\u003eHUUM DROP 6 questions buyers ask before ordering\u003c\/h2\u003e\n    \u003cdiv class=\"hdrop6-faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat size sauna will the HUUM DROP 6 heat?\u003c\/summary\u003e\u003cdiv class=\"hdrop6-fb\"\u003e\u003cp\u003eHUUM rates it for 177 to 318 cubic feet on 240 volts, or 142 to 248 cubic feet on 208 volts. Measure length by width by height in feet, then add 3.3 cubic feet for every square foot of uninsulated glass, brick or tile. HUUM does not say whether a glass door counts, so counting it is the cautious choice, and size from that number.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDoes the HUUM DROP 6 come with a control?\u003c\/summary\u003e\u003cdiv class=\"hdrop6-fb\"\u003e\u003cp\u003eNo. Every HUUM heater needs a separate certified control, bought separately. The control unit goes outside the hot room, its own manual sets out which panel finishes may be mounted inside, and a heater in a public sauna has to have a timer. HUUM's matched control is the UKU, the controller this heater was certified with, in Local or Wi-Fi form.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow many boxes of stone does the HUUM DROP 6 need?\u003c\/summary\u003e\u003cdiv class=\"hdrop6-fb\"\u003e\u003cp\u003e4 boxes. The heater holds about 121.3 lb (55 kg) and HUUM asks for natural stone 2 to 4 inches across. HUUM's own stone is olivine diabase in 33 pound boxes. The heater may not be run before it is properly filled.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat breaker and wire does the HUUM DROP 6 need?\u003c\/summary\u003e\u003cdiv class=\"hdrop6-fb\"\u003e\u003cp\u003eOn 240 volts it draws 25 A and HUUM specifies a 30 A breaker with 10 AWG cable. On 208 volts it is 21.63 A, a 30 A breaker and 10 AWG. The cable must meet UL 62 in the United States or CSA 49 in Canada, and your electrician sizes the install to the National Electrical Code and to local amendments. On this model HUUM's breaker figure is below what the Code's continuous-load rule gives for its rated current, so your electrician and inspector decide the breaker and cable, and they may be larger than HUUM's figure.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eIs the HUUM DROP 6 UL listed?\u003c\/summary\u003e\u003cdiv class=\"hdrop6-fb\"\u003e\u003cp\u003eListed, but by SGS rather than UL. SGS North America is on OSHA's list of nationally recognized testing laboratories, and its certificate SGSNA\/20\/SUW\/00067X covers this heater for the United States and Canada. SGS records conditions against that listing, and they are set out in full in the listing section above.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eCan I install the HUUM DROP 6 myself?\u003c\/summary\u003e\u003cdiv class=\"hdrop6-fb\"\u003e\u003cp\u003eNot if you want the warranty. HUUM's warranty requires the heater to be installed and connected by a licensed electrician, with proof presented to HUUM. The heater is hardwired, crimped cable ends are mandatory and the manual forbids cable with non heat resistant PVC insulation. Keep the electrician's invoice.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDoes the HUUM DROP 6 need a GFCI breaker?\u003c\/summary\u003e\u003cdiv class=\"hdrop6-fb\"\u003e\u003cp\u003eHUUM's manual says it is recommended to connect the heater without one. Whether you can follow that depends on where the sauna goes and which edition of the electrical code your area has adopted. An outdoor sauna at a home may fall inside the Code's ground fault requirement for outdoor outlets at these ratings, depending on the edition adopted and how your inspector reads it, while an indoor hardwired heater usually is not caught. Where the manual and the adopted code disagree, the code and your inspector decide, so settle it with your electrician before the rough-in.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDoes the HUUM DROP 6 need a UKU extension box?\u003c\/summary\u003e\u003cdiv class=\"hdrop6-fb\"\u003e\u003cp\u003eNo. The extension box is for HUUM heaters above 11 kW, which means the HIVE 12, 15 and 18. Every DROP runs from the UKU's main module on its own. Dealer listings quote several different thresholds for the box, which is where the confusion comes from.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow long does the HUUM DROP 6 take to heat a sauna?\u003c\/summary\u003e\u003cdiv class=\"hdrop6-fb\"\u003e\u003cp\u003eHUUM's manual says about an hour in a properly insulated room with a correctly sized heater, with the stone reaching throwing temperature at about the same time as the air. A leaky room or an undersized heater takes longer and costs more to run.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat warranty comes with the HUUM DROP 6?\u003c\/summary\u003e\u003cdiv class=\"hdrop6-fb\"\u003e\u003cp\u003eHUUM warrants its electric heaters, wood stoves and controls for 3 years in a private sauna and 1 year in a commercial one, from the date of purchase, with spare parts covered for 1 year. Heating elements, controller sensors, stones, HUUM accessories, and wood stove door glass and ash grates are excluded, and so is damage from unsuitable stones or from a heater sized wrong for the room. HUUM counts it as commercial use if a registered business uses the product commercially, if a private user uses it commercially, or if a private user runs it for more than 1,500 hours in a 12 month period. For the warranty to apply, the heater has to be installed and connected by a licensed electrician with proof presented to HUUM, installed and operated to HUUM's manual and to local building, electrical and fire codes, and installed complete. Damage found on delivery has to be reported to us within 48 hours of delivery, with photographs and before the heater is installed; that is our window, and because it is shorter than HUUM's 7 days, it is the one that applies to the HUUM warranty. Any defect has to be reported within 30 days of discovering it. Because elements are excluded, we stock them as \u003ca href=\"\/products\/huum-drop-heating-element\"\u003ereplacement parts\u003c\/a\u003e.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003cdiv class=\"hdrop6-close\" id=\"order\"\u003e\n\u003cdiv class=\"hdrop6-c\"\u003e\n\u003cp class=\"hdrop6-eyebrow\" style=\"color:#E8A33D\"\u003eOne last thing\u003c\/p\u003e\n\u003ch2\u003eNot sure the DROP 6 is the right output?\u003c\/h2\u003e\n\u003cp\u003eTell us the room size and how the walls are built, and we will size it with you before you order. The stone and the UKU control sit on this page, above Add to Cart, so the whole order goes in together. If you would rather take it in one line, we build the same parts as a \u003ca href=\"\/collections\/sauna-heater-packages\"\u003esauna heater package\u003c\/a\u003e.\u003c\/p\u003e\n\u003cdiv class=\"hdrop6-who\"\u003e\n\u003cimg class=\"hdrop6-av\" src=\"https:\/\/recoveryroomdirect.com\/cdn\/shop\/files\/recovery_room_direct_specialist_customer_service.png?v=178611576\u0026amp;width=128\" alt=\"Chaddy, sauna specialist at Recovery Room Direct\" width=\"52\" height=\"52\" loading=\"lazy\"\u003e\n\u003cp\u003e\u003cb\u003eChaddy\u003c\/b\u003e\u003cspan\u003eSauna specialist, Recovery Room Direct\u003c\/span\u003e\u003cspan\u003eMonday to Saturday, 9AM to 6PM ET\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ca class=\"hdrop6-btn\" href=\"tel:+18885005675\"\u003eCall (888) 500-5675\u003c\/a\u003e\n\u003ca class=\"hdrop6-up\" href=\"#MainContent\"\u003eReady to order? Scroll up to the buy box\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HUUM","offers":[{"title":"Default Title","offer_id":53500463382895,"sku":"H1001062","price":1506.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-drop-6-electric-sauna-heater-installed-crop.jpg?v=1791435900"},{"product_id":"huum-drop-safety-rail","title":"HUUM Safety Rail | DROP 4, 6, 7 and 9 Sauna Heaters","description":"\u003cstyle\u003e.hdrail{--ink:#1A1410;--body:#463C33;--mut:#54493D;--accent:#96620A;--bright:#E8A33D;--dark:#171310;--sub:#54493D;--tint:#F7F1E6;--fill:#F0E9DB;--hl:#F6E7CB;--line:#DCCFB4;--warm:#DCCFB4;--edge:#CBBBA0;--rule:#DCCFB4;--r-lg:10px;--r-sm:10px;--r-xs:999px;--gut:20px;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:var(--body);line-height:1.65;letter-spacing:normal;-webkit-font-smoothing:antialiased;background:#fff}.hdrail 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.hdrail-cmp-here{color:var(--sub);font-weight:600;letter-spacing:.02em;text-transform:none}@media screen and (max-width:560px){.hdrail .hdrail-ladder.hdrail-rooms td:last-child::before{content:\"Rated room:\\00a0\"}.hdrail .hdrail-ladder.hdrail-out td:last-child::before{content:\"Output:\\00a0\"}}.hdrail .hdrail-tw + p,.hdrail .hdrail-tw + h3,.hdrail .hdrail-warn + p,.hdrail .hdrail-warn + h3,.hdrail .hdrail-more + p{margin-top:24px}\u003c\/style\u003e\n\u003cdiv class=\"hdrail\"\u003e\n\u003csection id=\"overview\"\u003e\n\u003cdiv class=\"hdrail-c\"\u003e\n\u003cp class=\"hdrail-eyebrow\"\u003eSafety accessory\u003c\/p\u003e\n\u003ch2\u003eHUUM Safety Rail\u003c\/h2\u003e\n\u003cp class=\"hdrail-lead\"\u003eAn arc of wood that wraps the front of the wall mounted DROP, to help prevent accidental contact with the hot cage and stones. HUUM's DROP manual recommends a safety railing around the heater and names this one as its accessory for it. The fasteners are stainless steel.\u003c\/p\u003e\n\u003cp\u003eIt clamps to the heater in the third gap from the top and is screwed to the wall with 4 included general purpose screws. HUUM advises asking a specialist whether they suit your wall. The rail is wood, so the heater's minimum safety distances to anything flammable still apply exactly as printed in the manual.\u003c\/p\u003e\n\u003cp\u003eHUUM asks for all wooden parts to be treated with a heat resistant, non toxic wood preservative, reapplied at least once a year, to keep the wood from warping, cracking or decaying.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e DROP 4, DROP 6, DROP 7 and DROP 9, which share one body. Check the model on your heater's rating plate before you order.\u003c\/p\u003e\n\u003cfigure\u003e\u003cdiv class=\"hdrail-fig\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-drop-safety-rail.jpg?width=1200\" alt=\"HUUM safety rail for DROP heaters\" loading=\"eager\" width=\"1200\" height=\"1200\"\u003e\u003c\/div\u003e\n\u003cfigcaption\u003eHUUM Safety Rail, as HUUM supplies it.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003cdiv class=\"hdrail-stat3\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"hdrail-lbl\"\u003eFits\u003c\/p\u003e\n\u003cp class=\"hdrail-big\"\u003eHUUM DROP 4, 6, 7, 9\u003c\/p\u003e\n\u003cp\u003eRead the model from the heater’s rating plate before you order.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp class=\"hdrail-lbl\"\u003eMaterial\u003c\/p\u003e\n\u003cp class=\"hdrail-big\"\u003eWood, stainless steel fasteners\u003c\/p\u003e\n\u003cp\u003eHUUM's published material for this part.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp class=\"hdrail-lbl\"\u003eMounting\u003c\/p\u003e\n\u003cp class=\"hdrail-big\"\u003eClamps to the heater, screws to the wa\u003c\/p\u003e\n\u003cp\u003eHow the part fixes in place.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrail-tinted\" id=\"fit\"\u003e\n\u003cdiv class=\"hdrail-c\"\u003e\n\u003cp class=\"hdrail-eyebrow\"\u003eBefore you order\u003c\/p\u003e\n\u003ch2\u003eWhich heaters this safety rail fits\u003c\/h2\u003e\n\u003ch3\u003eIn the set\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWooden arches\u003c\/li\u003e\n\u003cli\u003eHeater support and 2 wall supports\u003c\/li\u003e\n\u003cli\u003eHex key\u003c\/li\u003e\n\u003cli\u003eBolt, nut and screws\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cfigure\u003e\u003cdiv class=\"hdrail-fig\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-drop-safety-rail-in-sauna.jpg?width=1200\" alt=\"Wall mounted HUUM DROP heater with its safety rail\" loading=\"lazy\" width=\"1200\" height=\"1200\"\u003e\u003c\/div\u003e\n\u003cfigcaption\u003eHUUM Safety Rail\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"specs\"\u003e\n\u003cdiv class=\"hdrail-c\"\u003e\n\u003cp class=\"hdrail-eyebrow\"\u003eReference\u003c\/p\u003e\n\u003ch2\u003eHUUM Safety Rail specifications\u003c\/h2\u003e\n\u003cp class=\"hdrail-lead\"\u003eHUUM's own figures for this part.\u003c\/p\u003e\n\u003cdiv class=\"hdrail-tw\"\u003e\u003ctable class=\"hdrail-spec\"\u003e\n\u003ccaption\u003eHUUM Safety Rail reference\u003c\/caption\u003e\n\u003ctr\u003e\n\u003cth\u003ePart number\u003c\/th\u003e\n\u003ctd\u003eH3001062\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003ctd\u003eHUUM DROP 4, 6, 7, 9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eWood, stainless steel fasteners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting\u003c\/th\u003e\n\u003ctd\u003eClamps to the heater, screws to the wall\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrail-tinted\" id=\"faq\"\u003e\n\u003cdiv class=\"hdrail-c\"\u003e\n\u003cp class=\"hdrail-eyebrow\"\u003eBuyer questions\u003c\/p\u003e\n\u003ch2\u003eHUUM Safety Rail questions buyers ask\u003c\/h2\u003e\n\u003cdiv class=\"hdrail-faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003eWhich heaters does this fit?\u003c\/summary\u003e\u003cdiv class=\"fb\"\u003e\u003cp\u003eDROP 4, DROP 6, DROP 7 and DROP 9, which share one body.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat does it do?\u003c\/summary\u003e\u003cdiv class=\"fb\"\u003e\u003cp\u003eAn arc of wood that wraps the front of the wall mounted DROP, to help prevent accidental contact with the hot cage and stones.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDoes it change the heater's safety distances?\u003c\/summary\u003e\u003cdiv class=\"fb\"\u003e\u003cp\u003eThe rail is wood, so the heater's minimum safety distances to anything flammable still apply exactly as printed in the manual.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow does it attach?\u003c\/summary\u003e\u003cdiv class=\"fb\"\u003e\u003cp\u003eIt clamps to the heater in the third gap from the top and is screwed to the wall with 4 included general purpose screws.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDoes the wood need any care?\u003c\/summary\u003e\u003cdiv class=\"fb\"\u003e\u003cp\u003eYes, annually. The treatment HUUM specifies is a heat resistant, non toxic wood preservative, and the reason is that untreated timber in a sauna warps, cracks and in time decays.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat is it made of?\u003c\/summary\u003e\u003cdiv class=\"fb\"\u003e\u003cp\u003eThe fasteners are stainless steel.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat comes in the set?\u003c\/summary\u003e\u003cdiv class=\"fb\"\u003e\u003cp\u003eWooden arches, Heater support and 2 wall supports, Hex key, Bolt, nut and screws.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003cdiv class=\"hdrail-close\" id=\"order\"\u003e\n\u003cdiv class=\"hdrail-c\"\u003e\n\u003cp class=\"hdrail-eyebrow\" style=\"color:#E8A33D\"\u003eOne last thing\u003c\/p\u003e\n\u003ch2\u003eCheck the model before you order\u003c\/h2\u003e\n\u003cp\u003eTell us which HUUM heater you have and we will confirm this safety rail fits it. The Mini and the full size share a name and take different parts, so the rating plate settles it.\u003c\/p\u003e\n\u003cdiv class=\"hdrail-who\"\u003e\n\u003cimg class=\"hdrail-av\" src=\"https:\/\/recoveryroomdirect.com\/cdn\/shop\/files\/recovery_room_direct_specialist_customer_service.png?v=178611576\u0026amp;width=128\" alt=\"Chaddy, sauna specialist at Recovery Room Direct\" width=\"52\" height=\"52\" loading=\"lazy\"\u003e\n\u003cp\u003e\u003cb\u003eChaddy\u003c\/b\u003e\u003cspan\u003eSauna specialist, Recovery Room Direct\u003c\/span\u003e\u003cspan\u003eMonday to Saturday, 9AM to 6PM ET\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ca class=\"hdrail-btn\" href=\"tel:+18885005675\"\u003eCall (888) 500-5675\u003c\/a\u003e\n\u003ca class=\"hdrail-up\" href=\"#MainContent\"\u003eReady to order? Scroll up to the buy box\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HUUM","offers":[{"title":"Default Title","offer_id":53514266378607,"sku":"H3001062","price":291.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-drop-safety-rail.jpg?v=1790068067"},{"product_id":"huum-drop-embedding-flange","title":"HUUM Embedding Flange | DROP 4, 6, 7 and 9 Sauna Heaters","description":"\u003cstyle\u003e.hdflange{--ink:#1A1410;--body:#463C33;--mut:#54493D;--accent:#96620A;--bright:#E8A33D;--dark:#171310;--sub:#54493D;--tint:#F7F1E6;--fill:#F0E9DB;--hl:#F6E7CB;--line:#DCCFB4;--warm:#DCCFB4;--edge:#CBBBA0;--rule:#DCCFB4;--r-lg:10px;--r-sm:10px;--r-xs:999px;--gut:20px;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:var(--body);line-height:1.65;letter-spacing:normal;-webkit-font-smoothing:antialiased;background:#fff}.hdflange 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.hdflange-buy{grid-template-columns:1fr}.hdflange .hdflange-toc ol{grid-template-columns:1fr}}@media screen and (min-width:841px){.hdflange .hdflange-toc\u003esummary{display:none}.hdflange .hdflange-toc ol{display:grid !important}}@media screen and (max-width:560px){.hdflange .hdflange-ladder thead{position:absolute;left:-9999px}.hdflange .hdflange-ladder tr{display:block;border-bottom:1px solid var(--rule);padding:14px var(--gut)}.hdflange .hdflange-ladder tr.on{background:var(--hl)}.hdflange .hdflange-ladder td{display:block;border:0;padding:0}.hdflange .hdflange-ladder td:last-child{text-align:left;font-size:15.5px;margin-top:8px}}.hdflange .hdflange-hl td,.hdflange .hdflange-hl th,.hdflange .hdflange-ladder tr.on td,.hdflange table.cmp td.me{border-bottom-color:var(--edge)}@media screen and (max-width:840px){.hdflange table.cmp thead a{min-height:44px;display:flex;flex-direction:column;justify-content:flex-end;padding-bottom:2px}}.rte .hdflange table th,.rte .hdflange table td{padding:11px var(--gut)}.hdflange .hdflange-ladder th:last-child,.hdflange .hdflange-ladder td:last-child{text-align:left;white-space:normal;overflow-wrap:anywhere}.hdflange .hdflange-buy{align-items:start}.hdflange .hdflange-buy li span a{display:inline-block;padding:16px 0;margin:-16px 0}.hdflange table.cmp td:first-child{position:sticky;left:0;z-index:1;background:#fff;box-shadow:inset 0 -1px 0 var(--rule),1px 0 0 var(--rule)}.hdflange table.cmp thead th:first-child{position:sticky;left:0;z-index:2;background:var(--fill)}@media screen and (max-width:560px){.hdflange .hdflange-ladder td:last-child::before{content:\"Nameplate draw:\\00a0\";font-weight:700;color:var(--ink)}}@media screen and (max-width:480px){.hdflange table.hdflange-spec th,.hdflange table.hdflange-spec td{display:block;width:auto}.hdflange table.hdflange-spec th{border-bottom:0;padding-bottom:0}}.hdflange .hdflange-vid .video-wrapper{position:absolute !important;inset:0;width:100%;height:100%;padding:0 !important;margin:0}.hdflange .hdflange-vid video{position:absolute;inset:0;width:100%;height:100%;display:block;border:0;background:var(--dark);object-fit:cover}.hdflange .hdflange-vid video:focus-visible{outline:3px solid var(--bright);outline-offset:-3px}.hdflange .hdflange-fig{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--edge);background:#fff}.hdflange .hdflange-fig img{width:100%;height:auto;display:block;border:0;border-radius:0;box-shadow:none;mix-blend-mode:multiply}.hdflange .hdflange-c\u003efigure{max-width:560px;margin-left:auto;margin-right:auto}.hdflange .hdflange-close p.hdflange-eyebrow{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;line-height:1.5}.hdflange .hdflange-stat3 a{color:var(--bright)}.hdflange .hdflange-faq summary h3{margin:0;font-size:inherit;font-weight:inherit;line-height:inherit;display:inline}.hdflange .hdflange-cmp thead a .hdflange-cmp-here{color:var(--sub);font-weight:600;letter-spacing:.02em;text-transform:none}@media screen and (max-width:560px){.hdflange .hdflange-ladder.hdflange-rooms td:last-child::before{content:\"Rated room:\\00a0\"}.hdflange .hdflange-ladder.hdflange-out td:last-child::before{content:\"Output:\\00a0\"}}.hdflange .hdflange-tw + p,.hdflange .hdflange-tw + h3,.hdflange .hdflange-warn + p,.hdflange .hdflange-warn + h3,.hdflange .hdflange-more + p{margin-top:24px}\u003c\/style\u003e\n\u003cdiv class=\"hdflange\"\u003e\n\u003csection id=\"overview\"\u003e\n\u003cdiv class=\"hdflange-c\"\u003e\n\u003cp class=\"hdflange-eyebrow\"\u003eInstallation accessory\u003c\/p\u003e\n\u003ch2\u003eHUUM Embedding Flange\u003c\/h2\u003e\n\u003cp class=\"hdflange-lead\"\u003eThe DROP can be set partly down into the bench instead of hanging clear of it. HUUM's DROP manual names this flange for that installation: curved plates that cover the cut edge of the opening, with their ends butting against the wall.\u003c\/p\u003e\n\u003cp\u003eThere is no fixed hole size. HUUM's sheet has you trace the flange's inner edge on the bench and cut 2 in (52 mm) outward from that line. At least 15 in (380 mm) of the heater must stand above the bench surface. The flange is trim only. Follow the safety distances in your heater's manual.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e DROP 4, DROP 6, DROP 7 and DROP 9, which share one body. Check the model on your heater's rating plate before you order.\u003c\/p\u003e\n\u003cfigure\u003e\u003cdiv class=\"hdflange-fig\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-drop-embedding-flange.jpg?width=1200\" alt=\"HUUM embedding flange for DROP heaters\" loading=\"eager\" width=\"1200\" height=\"1200\"\u003e\u003c\/div\u003e\n\u003cfigcaption\u003eHUUM Embedding Flange, as HUUM supplies it.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003cdiv class=\"hdflange-stat3\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"hdflange-lbl\"\u003eFits\u003c\/p\u003e\n\u003cp class=\"hdflange-big\"\u003eHUUM DROP 4, 6, 7, 9\u003c\/p\u003e\n\u003cp\u003eRead the model from the heater’s rating plate before you order.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp class=\"hdflange-lbl\"\u003eCut-out\u003c\/p\u003e\n\u003cp class=\"hdflange-big\"\u003eTraced from the flange, 2 in (52 mm) o\u003c\/p\u003e\n\u003cp\u003eTraced from the part itself rather than a fixed hole size.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp class=\"hdflange-lbl\"\u003eHeater above bench\u003c\/p\u003e\n\u003cp class=\"hdflange-big\"\u003eAt least 15 in (380 mm)\u003c\/p\u003e\n\u003cp\u003eHUUM's minimum for this installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdflange-tinted\" id=\"fit\"\u003e\n\u003cdiv class=\"hdflange-c\"\u003e\n\u003cp class=\"hdflange-eyebrow\"\u003eBefore you order\u003c\/p\u003e\n\u003ch2\u003eWhich heaters this embedding flange fits\u003c\/h2\u003e\n\u003ch3\u003eIn the set\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCurved flange plates\u003c\/li\u003e\n\u003cli\u003e3 brackets\u003c\/li\u003e\n\u003cli\u003e6 bolts and nuts\u003c\/li\u003e\n\u003cli\u003e6 screws\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"specs\"\u003e\n\u003cdiv class=\"hdflange-c\"\u003e\n\u003cp class=\"hdflange-eyebrow\"\u003eReference\u003c\/p\u003e\n\u003ch2\u003eHUUM Embedding Flange specifications\u003c\/h2\u003e\n\u003cp class=\"hdflange-lead\"\u003eHUUM's own figures for this part.\u003c\/p\u003e\n\u003cdiv class=\"hdflange-tw\"\u003e\u003ctable class=\"hdflange-spec\"\u003e\n\u003ccaption\u003eHUUM Embedding Flange reference\u003c\/caption\u003e\n\u003ctr\u003e\n\u003cth\u003ePart number\u003c\/th\u003e\n\u003ctd\u003eH3001022\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003ctd\u003eHUUM DROP 4, 6, 7, 9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCut-out\u003c\/th\u003e\n\u003ctd\u003eTraced from the flange, 2 in (52 mm) outward\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeater above bench\u003c\/th\u003e\n\u003ctd\u003eAt least 15 in (380 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdflange-tinted\" id=\"faq\"\u003e\n\u003cdiv class=\"hdflange-c\"\u003e\n\u003cp class=\"hdflange-eyebrow\"\u003eBuyer questions\u003c\/p\u003e\n\u003ch2\u003eHUUM Embedding Flange questions buyers ask\u003c\/h2\u003e\n\u003cdiv class=\"hdflange-faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003eWhich heaters does this fit?\u003c\/summary\u003e\u003cdiv class=\"fb\"\u003e\u003cp\u003eDROP 4, DROP 6, DROP 7 and DROP 9, which share one body.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat does it do?\u003c\/summary\u003e\u003cdiv class=\"fb\"\u003e\u003cp\u003eThe DROP can be set partly down into the bench instead of hanging clear of it.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDoes it change the heater's safety distances?\u003c\/summary\u003e\u003cdiv class=\"fb\"\u003e\u003cp\u003eFollow the safety distances in your heater's manual.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow big does the cut-out have to be?\u003c\/summary\u003e\u003cdiv class=\"fb\"\u003e\u003cp\u003eHUUM's sheet has you trace the flange's inner edge on the bench and cut 2 in (52 mm) outward from that line.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow much of the heater has to stand above the bench?\u003c\/summary\u003e\u003cdiv class=\"fb\"\u003e\u003cp\u003eAt least 15 in (380 mm) of the heater must stand above the bench surface.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat comes in the set?\u003c\/summary\u003e\u003cdiv class=\"fb\"\u003e\u003cp\u003eCurved flange plates, 3 brackets, 6 bolts and nuts, 6 screws.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat is the part number?\u003c\/summary\u003e\u003cdiv class=\"fb\"\u003e\u003cp\u003eH3001022.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003cdiv class=\"hdflange-close\" id=\"order\"\u003e\n\u003cdiv class=\"hdflange-c\"\u003e\n\u003cp class=\"hdflange-eyebrow\" style=\"color:#E8A33D\"\u003eOne last thing\u003c\/p\u003e\n\u003ch2\u003eCheck the model before you order\u003c\/h2\u003e\n\u003cp\u003eTell us which HUUM heater you have and we will confirm this embedding flange fits it. The Mini and the full size share a name and take different parts, so the rating plate settles it.\u003c\/p\u003e\n\u003cdiv class=\"hdflange-who\"\u003e\n\u003cimg class=\"hdflange-av\" src=\"https:\/\/recoveryroomdirect.com\/cdn\/shop\/files\/recovery_room_direct_specialist_customer_service.png?v=178611576\u0026amp;width=128\" alt=\"Chaddy, sauna specialist at Recovery Room Direct\" width=\"52\" height=\"52\" loading=\"lazy\"\u003e\n\u003cp\u003e\u003cb\u003eChaddy\u003c\/b\u003e\u003cspan\u003eSauna specialist, Recovery Room Direct\u003c\/span\u003e\u003cspan\u003eMonday to Saturday, 9AM to 6PM ET\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ca class=\"hdflange-btn\" href=\"tel:+18885005675\"\u003eCall (888) 500-5675\u003c\/a\u003e\n\u003ca class=\"hdflange-up\" href=\"#MainContent\"\u003eReady to order? Scroll up to the buy box\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HUUM","offers":[{"title":"Default Title","offer_id":53514267165039,"sku":"H3001022","price":322.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-drop-embedding-flange.jpg?v=1790068132"},{"product_id":"huum-drop-drip-tray","title":"HUUM Drip Tray | DROP 4, 6, 7 and 9 Sauna Heaters","description":"\u003cstyle\u003e.hdtray{--ink:#1A1410;--body:#463C33;--mut:#54493D;--accent:#96620A;--bright:#E8A33D;--dark:#171310;--sub:#54493D;--tint:#F7F1E6;--fill:#F0E9DB;--hl:#F6E7CB;--line:#DCCFB4;--warm:#DCCFB4;--edge:#CBBBA0;--rule:#DCCFB4;--r-lg:10px;--r-sm:10px;--r-xs:999px;--gut:20px;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:var(--body);line-height:1.65;letter-spacing:normal;-webkit-font-smoothing:antialiased;background:#fff}.hdtray *{box-sizing:border-box}.hdtray 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.hdtray-cmp-here{color:var(--sub);font-weight:600;letter-spacing:.02em;text-transform:none}@media screen and (max-width:560px){.hdtray .hdtray-ladder.hdtray-rooms td:last-child::before{content:\"Rated room:\\00a0\"}.hdtray .hdtray-ladder.hdtray-out td:last-child::before{content:\"Output:\\00a0\"}}.hdtray .hdtray-tw + p,.hdtray .hdtray-tw + h3,.hdtray .hdtray-warn + p,.hdtray .hdtray-warn + h3,.hdtray .hdtray-more + p{margin-top:24px}\u003c\/style\u003e\n\u003cdiv class=\"hdtray\"\u003e\n\u003csection id=\"overview\"\u003e\n\u003cdiv class=\"hdtray-c\"\u003e\n\u003cp class=\"hdtray-eyebrow\"\u003eMaintenance accessory\u003c\/p\u003e\n\u003ch2\u003eHUUM Drip Tray\u003c\/h2\u003e\n\u003cp class=\"hdtray-lead\"\u003eA black, heat resistant tray that sits loose under the DROP and keeps water from collecting under the heater. HUUM's DROP manual names it as an optional accessory.\u003c\/p\u003e\n\u003cp\u003eEmpty it after each session so moisture does not build up in the room. HUUM recommends a natural limescale remover for cleaning, and no abrasive cleaners or sponges.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e DROP 4, DROP 6, DROP 7 and DROP 9, which share one body. Check the model on your heater's rating plate before you order.\u003c\/p\u003e\n\u003cfigure\u003e\u003cdiv class=\"hdtray-fig\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-drop-drip-tray_2f97a4b8-0f21-4462-81f1-ca66826cc5c4.jpg?width=1200\" alt=\"HUUM black drip tray for DROP heaters\" loading=\"eager\" width=\"1200\" height=\"1200\"\u003e\u003c\/div\u003e\n\u003cfigcaption\u003eHUUM Drip Tray, as HUUM supplies it.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003cdiv class=\"hdtray-stat3\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"hdtray-lbl\"\u003eFits\u003c\/p\u003e\n\u003cp class=\"hdtray-big\"\u003eHUUM DROP 4, 6, 7, 9\u003c\/p\u003e\n\u003cp\u003eRead the model from the heater’s rating plate before you order.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp class=\"hdtray-lbl\"\u003eColor\u003c\/p\u003e\n\u003cp class=\"hdtray-big\"\u003eBlack\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp class=\"hdtray-lbl\"\u003eMounting\u003c\/p\u003e\n\u003cp class=\"hdtray-big\"\u003ePlaced under the heater, no fixing\u003c\/p\u003e\n\u003cp\u003eHow the part fixes in place.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdtray-tinted\" id=\"fit\"\u003e\n\u003cdiv class=\"hdtray-c\"\u003e\n\u003cp class=\"hdtray-eyebrow\"\u003eBefore you order\u003c\/p\u003e\n\u003ch2\u003eWhich heaters this drip tray fits\u003c\/h2\u003e\n\u003cfigure\u003e\u003cdiv class=\"hdtray-fig\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-drop-drip-tray-in-sauna.jpg?width=1200\" alt=\"HUUM DROP heater on a bench over the black drip tray\" loading=\"lazy\" width=\"1200\" height=\"1200\"\u003e\u003c\/div\u003e\n\u003cfigcaption\u003eHUUM Drip Tray\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"specs\"\u003e\n\u003cdiv class=\"hdtray-c\"\u003e\n\u003cp class=\"hdtray-eyebrow\"\u003eReference\u003c\/p\u003e\n\u003ch2\u003eHUUM Drip Tray specifications\u003c\/h2\u003e\n\u003cp class=\"hdtray-lead\"\u003eHUUM's own figures for this part.\u003c\/p\u003e\n\u003cdiv class=\"hdtray-tw\"\u003e\u003ctable class=\"hdtray-spec\"\u003e\n\u003ccaption\u003eHUUM Drip Tray reference\u003c\/caption\u003e\n\u003ctr\u003e\n\u003cth\u003ePart number\u003c\/th\u003e\n\u003ctd\u003eH3001072\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003ctd\u003eHUUM DROP 4, 6, 7, 9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting\u003c\/th\u003e\n\u003ctd\u003ePlaced under the heater, no fixing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdtray-tinted\" id=\"faq\"\u003e\n\u003cdiv class=\"hdtray-c\"\u003e\n\u003cp class=\"hdtray-eyebrow\"\u003eBuyer questions\u003c\/p\u003e\n\u003ch2\u003eHUUM Drip Tray questions buyers ask\u003c\/h2\u003e\n\u003cdiv class=\"hdtray-faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003eWhich heaters does this fit?\u003c\/summary\u003e\u003cdiv class=\"fb\"\u003e\u003cp\u003eDROP 4, DROP 6, DROP 7 and DROP 9, which share one body.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat does it do?\u003c\/summary\u003e\u003cdiv class=\"fb\"\u003e\u003cp\u003eA black, heat resistant tray that sits loose under the DROP and keeps water from collecting under the heater.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow do I clean it?\u003c\/summary\u003e\u003cdiv class=\"fb\"\u003e\u003cp\u003eHUUM recommends a natural limescale remover for cleaning, and no abrasive cleaners or sponges.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat is the part number?\u003c\/summary\u003e\u003cdiv class=\"fb\"\u003e\u003cp\u003eH3001072.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eIs it covered by HUUM's warranty?\u003c\/summary\u003e\u003cdiv class=\"fb\"\u003e\u003cp\u003eHUUM's warranty lists its accessories among the exclusions, so this is sold as a part rather than a warranted item. Tell us if something arrives damaged and we take it up with the supplier.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003cdiv class=\"hdtray-close\" id=\"order\"\u003e\n\u003cdiv class=\"hdtray-c\"\u003e\n\u003cp class=\"hdtray-eyebrow\" style=\"color:#E8A33D\"\u003eOne last thing\u003c\/p\u003e\n\u003ch2\u003eCheck the model before you order\u003c\/h2\u003e\n\u003cp\u003eTell us which HUUM heater you have and we will confirm this drip tray fits it. The Mini and the full size share a name and take different parts, so the rating plate settles it.\u003c\/p\u003e\n\u003cdiv class=\"hdtray-who\"\u003e\n\u003cimg class=\"hdtray-av\" src=\"https:\/\/recoveryroomdirect.com\/cdn\/shop\/files\/recovery_room_direct_specialist_customer_service.png?v=178611576\u0026amp;width=128\" alt=\"Chaddy, sauna specialist at Recovery Room Direct\" width=\"52\" height=\"52\" loading=\"lazy\"\u003e\n\u003cp\u003e\u003cb\u003eChaddy\u003c\/b\u003e\u003cspan\u003eSauna specialist, Recovery Room Direct\u003c\/span\u003e\u003cspan\u003eMonday to Saturday, 9AM to 6PM ET\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ca class=\"hdtray-btn\" href=\"tel:+18885005675\"\u003eCall (888) 500-5675\u003c\/a\u003e\n\u003ca class=\"hdtray-up\" href=\"#MainContent\"\u003eReady to order? Scroll up to the buy box\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HUUM","offers":[{"title":"Default Title","offer_id":53514267394415,"sku":"H3001072","price":126.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-drop-drip-tray_2f97a4b8-0f21-4462-81f1-ca66826cc5c4.jpg?v=1790068164"},{"product_id":"huum-drop-9-upgrade-kit","title":"HUUM DROP 9 Upgrade Kit | Heat Diverter and Element Retainer","description":"\u003cstyle\u003e.hd9kit{--ink:#1A1410;--body:#463C33;--mut:#54493D;--accent:#96620A;--bright:#E8A33D;--dark:#171310;--sub:#54493D;--tint:#F7F1E6;--fill:#F0E9DB;--hl:#F6E7CB;--line:#DCCFB4;--warm:#DCCFB4;--edge:#CBBBA0;--rule:#DCCFB4;--r-lg:10px;--r-sm:10px;--r-xs:999px;--gut:20px;font-family:-apple-system,BlinkMacSystemFont,'Segoe 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(max-width:480px){.hd9kit table.hd9kit-spec th,.hd9kit table.hd9kit-spec td{display:block;width:auto}.hd9kit table.hd9kit-spec th{border-bottom:0;padding-bottom:0}}.hd9kit .hd9kit-vid .video-wrapper{position:absolute !important;inset:0;width:100%;height:100%;padding:0 !important;margin:0}.hd9kit .hd9kit-vid video{position:absolute;inset:0;width:100%;height:100%;display:block;border:0;background:var(--dark);object-fit:cover}.hd9kit .hd9kit-vid video:focus-visible{outline:3px solid var(--bright);outline-offset:-3px}.hd9kit .hd9kit-fig{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--edge);background:#fff}.hd9kit .hd9kit-fig img{width:100%;height:auto;display:block;border:0;border-radius:0;box-shadow:none;mix-blend-mode:multiply}.hd9kit .hd9kit-c\u003efigure{max-width:560px;margin-left:auto;margin-right:auto}.hd9kit .hd9kit-close p.hd9kit-eyebrow{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;line-height:1.5}.hd9kit .hd9kit-stat3 a{color:var(--bright)}.hd9kit .hd9kit-faq summary h3{margin:0;font-size:inherit;font-weight:inherit;line-height:inherit;display:inline}.hd9kit .hd9kit-cmp thead a .hd9kit-cmp-here{color:var(--sub);font-weight:600;letter-spacing:.02em;text-transform:none}@media screen and (max-width:560px){.hd9kit .hd9kit-ladder.hd9kit-rooms td:last-child::before{content:\"Rated room:\\00a0\"}.hd9kit .hd9kit-ladder.hd9kit-out td:last-child::before{content:\"Output:\\00a0\"}}.hd9kit .hd9kit-tw + p,.hd9kit .hd9kit-tw + h3,.hd9kit .hd9kit-warn + p,.hd9kit .hd9kit-warn + h3,.hd9kit .hd9kit-more + p{margin-top:24px}\u003c\/style\u003e\n\u003cdiv class=\"hd9kit\"\u003e\n\u003csection id=\"overview\"\u003e\n\u003cdiv class=\"hd9kit-c\"\u003e\n\u003cp class=\"hd9kit-eyebrow\"\u003eUpgrade part\u003c\/p\u003e\n\u003ch2\u003eHUUM DROP 9 Upgrade Kit\u003c\/h2\u003e\n\u003cp class=\"hd9kit-lead\"\u003eA retrofit for DROP 9 heaters purchased before 2024. It adds the two parts every current DROP now ships with.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eHeat diverter.\u003c\/b\u003e A plate that bolts to the heater's reflector at the upper rear edge. HUUM's sheet says its purpose is to protect the wall behind the heater and the corner of the ceiling from excessive heat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eElement retainer.\u003c\/b\u003e The heating element retainer HUUM fits to DROP heaters with 5 heating elements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eA new DROP does not need this kit.\u003c\/strong\u003e HUUM's current DROP manual lists a heat diverter and a heating element retainer in the box of every DROP 4, 6, 7 and 9. Not sure when your heater was bought? Call us with the details from its rating plate before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e DROP 9 heaters purchased before 2024. Check the model on your heater's rating plate before you order.\u003c\/p\u003e\n\u003cfigure\u003e\u003cdiv class=\"hd9kit-fig\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-drop-9-upgrade-kit.jpg?width=1200\" alt=\"HUUM DROP 9 upgrade kit fitted inside a DROP heater cage, stones removed\" loading=\"eager\" width=\"1200\" height=\"1200\"\u003e\u003c\/div\u003e\n\u003cfigcaption\u003eHUUM DROP 9 Upgrade Kit, as HUUM supplies it.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003cdiv class=\"hd9kit-stat3\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"hd9kit-lbl\"\u003eFits\u003c\/p\u003e\n\u003cp class=\"hd9kit-big\"\u003eHUUM DROP 9, purchased before 2024\u003c\/p\u003e\n\u003cp\u003eRead the model from the heater’s rating plate before you order.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp class=\"hd9kit-lbl\"\u003eIn the set\u003c\/p\u003e\n\u003cp class=\"hd9kit-big\"\u003eHeat diverter, element retainer, 4 M4 \u003c\/p\u003e\n\u003cp\u003eEverything supplied with it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp class=\"hd9kit-lbl\"\u003eMounting\u003c\/p\u003e\n\u003cp class=\"hd9kit-big\"\u003eBolts to the heater's reflector\u003c\/p\u003e\n\u003cp\u003eHow the part fixes in place.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hd9kit-tinted\" id=\"fit\"\u003e\n\u003cdiv class=\"hd9kit-c\"\u003e\n\u003cp class=\"hd9kit-eyebrow\"\u003eBefore you order\u003c\/p\u003e\n\u003ch2\u003eWhich heaters this upgrade kit fits\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"specs\"\u003e\n\u003cdiv class=\"hd9kit-c\"\u003e\n\u003cp class=\"hd9kit-eyebrow\"\u003eReference\u003c\/p\u003e\n\u003ch2\u003eHUUM DROP 9 Upgrade Kit specifications\u003c\/h2\u003e\n\u003cp class=\"hd9kit-lead\"\u003eHUUM's own figures for this part.\u003c\/p\u003e\n\u003cdiv class=\"hd9kit-tw\"\u003e\u003ctable class=\"hd9kit-spec\"\u003e\n\u003ccaption\u003eHUUM DROP 9 Upgrade Kit reference\u003c\/caption\u003e\n\u003ctr\u003e\n\u003cth\u003ePart number\u003c\/th\u003e\n\u003ctd\u003eH3001032\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003ctd\u003eHUUM DROP 9, purchased before 2024\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIn the set\u003c\/th\u003e\n\u003ctd\u003eHeat diverter, element retainer, 4 M4 x 8 bolts and 4 M4 nuts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting\u003c\/th\u003e\n\u003ctd\u003eBolts to the heater's reflector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hd9kit-tinted\" id=\"faq\"\u003e\n\u003cdiv class=\"hd9kit-c\"\u003e\n\u003cp class=\"hd9kit-eyebrow\"\u003eBuyer questions\u003c\/p\u003e\n\u003ch2\u003eHUUM DROP 9 Upgrade Kit questions buyers ask\u003c\/h2\u003e\n\u003cdiv class=\"hd9kit-faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003eWhich heaters does this fit?\u003c\/summary\u003e\u003cdiv class=\"fb\"\u003e\u003cp\u003eDROP 9 heaters purchased before 2024.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhere does it sit on the heater?\u003c\/summary\u003e\u003cdiv class=\"fb\"\u003e\u003cp\u003eA plate that bolts to the heater's reflector at the upper rear edge.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDoes a new heater need this?\u003c\/summary\u003e\u003cdiv class=\"fb\"\u003e\u003cp\u003eA new DROP does not need this kit.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat is the part number?\u003c\/summary\u003e\u003cdiv class=\"fb\"\u003e\u003cp\u003eH3001032.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eIs it covered by HUUM's warranty?\u003c\/summary\u003e\u003cdiv class=\"fb\"\u003e\u003cp\u003eHUUM's warranty lists its accessories among the exclusions, so this is sold as a part rather than a warranted item. Tell us if something arrives damaged and we take it up with the supplier.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003cdiv class=\"hd9kit-close\" id=\"order\"\u003e\n\u003cdiv class=\"hd9kit-c\"\u003e\n\u003cp class=\"hd9kit-eyebrow\" style=\"color:#E8A33D\"\u003eOne last thing\u003c\/p\u003e\n\u003ch2\u003eCheck the model before you order\u003c\/h2\u003e\n\u003cp\u003eTell us which HUUM heater you have and we will confirm this upgrade kit fits it. The Mini and the full size share a name and take different parts, so the rating plate settles it.\u003c\/p\u003e\n\u003cdiv class=\"hd9kit-who\"\u003e\n\u003cimg class=\"hd9kit-av\" src=\"https:\/\/recoveryroomdirect.com\/cdn\/shop\/files\/recovery_room_direct_specialist_customer_service.png?v=178611576\u0026amp;width=128\" alt=\"Chaddy, sauna specialist at Recovery Room Direct\" width=\"52\" height=\"52\" loading=\"lazy\"\u003e\n\u003cp\u003e\u003cb\u003eChaddy\u003c\/b\u003e\u003cspan\u003eSauna specialist, Recovery Room Direct\u003c\/span\u003e\u003cspan\u003eMonday to Saturday, 9AM to 6PM ET\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ca class=\"hd9kit-btn\" href=\"tel:+18885005675\"\u003eCall (888) 500-5675\u003c\/a\u003e\n\u003ca class=\"hd9kit-up\" href=\"#MainContent\"\u003eReady to order? Scroll up to the buy box\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HUUM","offers":[{"title":"Default Title","offer_id":53514267427183,"sku":"H3001032","price":130.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-drop-9-upgrade-kit.jpg?v=1790068172"},{"product_id":"huum-drop-4-electric-sauna-heater","title":"HUUM DROP 4 Electric Sauna Heater, 4.5 kW","description":"\u003cstyle\u003e.hdrop4{--ink:#1A1410;--body:#463C33;--mut:#54493D;--accent:#96620A;--bright:#E8A33D;--dark:#171310;--sub:#54493D;--tint:#F7F1E6;--fill:#F0E9DB;--hl:#F6E7CB;--line:#DCCFB4;--warm:#DCCFB4;--edge:#CBBBA0;--rule:#DCCFB4;--r-lg:10px;--r-sm:10px;--r-xs:999px;--gut:20px;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:var(--body);line-height:1.65;letter-spacing:normal;-webkit-font-smoothing:antialiased;background:#fff}.hdrop4 *{box-sizing:border-box}.hdrop4 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th{border-bottom:0;padding-bottom:0}}.hdrop4 .hdrop4-vid .video-wrapper{position:absolute !important;inset:0;width:100%;height:100%;padding:0 !important;margin:0}.hdrop4 .hdrop4-vid video{position:absolute;inset:0;width:100%;height:100%;display:block;border:0;background:var(--dark);object-fit:cover}.hdrop4 .hdrop4-vid video:focus-visible{outline:3px solid var(--bright);outline-offset:-3px}.hdrop4 .hdrop4-fig{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--edge);background:#fff}.hdrop4 .hdrop4-fig img{width:100%;height:auto;display:block;border:0;border-radius:0;box-shadow:none;mix-blend-mode:multiply}.hdrop4 .hdrop4-c\u003efigure{max-width:560px;margin-left:auto;margin-right:auto}.hdrop4 .hdrop4-close p.hdrop4-eyebrow{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;line-height:1.5}.hdrop4 .hdrop4-stat3 a{color:var(--bright)}.hdrop4 .hdrop4-faq summary h3{margin:0;font-size:inherit;font-weight:inherit;line-height:inherit;display:inline}.hdrop4 .hdrop4-cmp thead a .hdrop4-cmp-here{color:var(--sub);font-weight:600;letter-spacing:.02em;text-transform:none}@media screen and (max-width:560px){.hdrop4 .hdrop4-ladder.hdrop4-rooms td:last-child::before{content:\"Rated room:\\00a0\"}.hdrop4 .hdrop4-ladder.hdrop4-out td:last-child::before{content:\"Output:\\00a0\"}}.hdrop4 .hdrop4-tw + p,.hdrop4 .hdrop4-tw + h3,.hdrop4 .hdrop4-warn + p,.hdrop4 .hdrop4-warn + h3,.hdrop4 .hdrop4-more + p{margin-top:24px}\u003c\/style\u003e\n\u003cdiv class=\"hdrop4\"\u003e\n\u003csection id=\"overview\"\u003e\n  \u003cdiv class=\"hdrop4-c\"\u003e\n    \u003cdetails class=\"hdrop4-disc\"\u003e\u003csummary\u003eJump to\u003cspan class=\"hdrop4-ct\"\u003e9 sections\u003c\/span\u003e\u003c\/summary\u003e\u003col\u003e\n\u003cli\u003e\u003ca href=\"#overview\"\u003eOverview\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#video\"\u003eVideo\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#fit\"\u003eWill it fit\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#parts\"\u003eWhat you need\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#electrical\"\u003eBreaker and wire\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#stones\"\u003eStone\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#compare\"\u003eHow it compares\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#faq\"\u003eQuestions\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#order\"\u003eOrder\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\u003c\/details\u003e\n    \u003cp class=\"hdrop4-eyebrow\"\u003eThe small room heater\u003c\/p\u003e\n    \u003ch2\u003eThe HUUM DROP 4 is a 4.5 kW wall mounted electric sauna heater for rooms of 106 to 248 cubic feet\u003c\/h2\u003e\n    \u003cp class=\"hdrop4-lead\"\u003eThe smallest DROP, for rooms from 106 to 248 cubic feet. It suits a converted closet or a two person cabin, where a floor standing heater would take the space you wanted to sit in.\u003c\/p\u003e\n    \u003cp\u003eThe DROP hangs on the wall as an upright open cradle of stone. The 3 elements run through the stone rather than behind a panel, so the stone is the thing you see, and HUUM rates this size for 106 to 248 cubic feet at 240 volts.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop4-stat3\"\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"hdrop4-lbl\"\u003eThe room\u003c\/p\u003e\n        \u003cp class=\"hdrop4-big\"\u003e106 to 248 cu. ft.\u003c\/p\u003e\n        \u003cp\u003eLength by width by height, in feet. Add 3.3 cubic feet for every square foot of uninsulated glass, tile or brick. HUUM does not say whether a glass door counts, so counting it is the cautious choice, then size from the adjusted number.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"hdrop4-lbl\"\u003eRated current\u003c\/p\u003e\n        \u003cp class=\"hdrop4-big\"\u003e18.75 A at 240 V\u003c\/p\u003e\n        \u003cp\u003eHUUM's manual calls for a 30 A breaker and 10 AWG cable. On 208 volts it draws 16.35 A and the manual drops to a 20 A breaker. It is hardwired by a licensed electrician, who sizes the circuit to the National Electrical Code. On this model HUUM's breaker figure is below what the Code's continuous-load rule gives for its rated current, so your electrician and inspector decide the breaker and cable, and they may be larger than HUUM's figure.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"hdrop4-lbl\"\u003eThe rest of the order\u003c\/p\u003e\n        \u003cp class=\"hdrop4-big\"\u003eControl and 4 boxes of stone\u003c\/p\u003e\n        \u003cp\u003eNeither is in the carton, and neither needs a second order: open \u003cstrong\u003eComplete your heater\u003c\/strong\u003e just above the Add to Cart button and both travel on this one. A \u003ca href=\"\/products\/huum-uku-wifi-sauna-heater-control\"\u003eHUUM UKU control\u003c\/a\u003e runs the heater from outside the room, and this heater holds about 121.3 lb (55 kg) of \u003ca href=\"\/products\/huum-sauna-stones-5-10-cm\"\u003esauna stone\u003c\/a\u003e.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection id=\"video\"\u003e\n    \u003cp class=\"hdrop4-eyebrow\"\u003eWatch\u003c\/p\u003e\n    \u003cdiv class=\"hdrop4-vidrow\"\u003e\n    \u003cdiv class=\"hdrop4-vid\"\u003e\u003ciframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/K4BQgwESR4c\" title=\"The heat diverter, fitted, HUUM\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n    \u003cdiv class=\"hdrop4-vidbody\"\u003e\n    \u003ch2\u003eThe heat diverter, fitted\u003c\/h2\u003e\n    \u003cp class=\"hdrop4-lead\"\u003eEvery DROP 2.0 ships with the heat diverter. This is how it bolts to the reflector.\u003c\/p\u003e\n    \u003cp\u003eHUUM filmed this itself. Its heater installation films are made for Europe and show European wiring, so we do not run them here: the sauna side of the job is the same, the electrical side is not.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003c\/section\u003e\n\n\n\u003csection class=\"hdrop4-tinted\" id=\"fit\"\u003e\n  \u003cdiv class=\"hdrop4-c\"\u003e\n    \u003cp class=\"hdrop4-eyebrow\"\u003eSizing\u003c\/p\u003e\n    \u003ch2\u003eWill the HUUM DROP 4 heat your sauna?\u003c\/h2\u003e\n    \u003cp class=\"hdrop4-lead\"\u003eSauna heaters are sized on room volume, not floor area. Measure the room in feet and multiply length by width by height: a 7 by 5 room with a 7 foot ceiling is 35 square feet and 245 cubic feet. Pick the heater whose published range contains that figure.\u003c\/p\u003e\n    \u003cp\u003eHUUM rates the DROP 4 for \u003cstrong\u003e106 to 248 cubic feet\u003c\/strong\u003e on a 240 volt supply.\u003c\/p\u003e\n    \u003cp\u003eCold surfaces change the answer and most buyers forget them. HUUM's manual says to add \u003cstrong\u003e3.3 cubic feet of volume for every square foot\u003c\/strong\u003e of uninsulated brick, tile or glass in the room. The result is your adjusted cubic feet, and that is the number HUUM's range refers to. A single glass door is often enough to push a borderline room up a model.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop4-tw\"\u003e\u003ctable class=\"hdrop4-ladder hdrop4-out\"\u003e\n      \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eRated room\u003c\/th\u003e\n\u003cth\u003eOutput\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n      \u003ctbody\u003e\n\u003ctr class=\"hdrop4-on\"\u003e\n\u003ctd class=\"hdrop4-kw\"\u003eDROP 4 \u003cspan class=\"hdrop4-tag\"\u003eThis heater\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e106 to 248 cu. ft. at 240 V, 89 to 177 at 208 V\u003c\/td\u003e\n\u003ctd\u003e4.5 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop4-kw\"\u003eDROP 6\u003c\/td\u003e\n\u003ctd\u003e177 to 318 cu. ft. at 240 V, 142 to 248 at 208 V\u003c\/td\u003e\n\u003ctd\u003e6 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop4-kw\"\u003eDROP 7\u003c\/td\u003e\n\u003ctd\u003e248 to 389 cu. ft. at 240 V, 177 to 301 at 208 V\u003c\/td\u003e\n\u003ctd\u003e7.5 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop4-kw\"\u003eDROP 9\u003c\/td\u003e\n\u003ctd\u003e283 to 460 cu. ft. at 240 V, 212 to 354 at 208 V\u003c\/td\u003e\n\u003ctd\u003e9 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n    \u003c\/table\u003e\u003c\/div\u003e\n    \u003ch3\u003eA worked example for the DROP 4\u003c\/h3\u003e\n    \u003cp\u003eTake a small indoor sauna 6 feet by 5 feet with a 7 foot ceiling. That is 30 square feet of floor and 210 cubic feet, comfortably inside this heater's 106 to 248. Now add a full glass door, about 13 square feet: at 3.3 cubic feet a square foot that adds roughly 43, so the room behaves like 253 cubic feet and has just left the DROP 4's range. That is how narrow the margin is on a small room, and why the door matters more here than on any other size in the range.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop4-warn\"\u003e\u003cp\u003e\u003cb\u003eThe minimum sauna room height for a DROP is 75 inches (1900 mm).\u003c\/b\u003e HUUM recommends 79 to 91 inches and asks for 44 to 51 inches between the top bench and the ceiling. HUUM advises lowering a taller ceiling into its recommended range to reduce the volume.\u003c\/p\u003e\u003c\/div\u003e\n    \u003cp\u003eNot sure which way a borderline room goes? Our \u003ca href=\"\/pages\/find-your-sauna-heater\"\u003esauna heater finder\u003c\/a\u003e walks the same arithmetic, the \u003ca href=\"\/pages\/sauna-heater-buyers-guide\"\u003esauna heater buyers guide\u003c\/a\u003e explains what the numbers mean, or call and we will do it with you.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"design\"\u003e\n  \u003cdiv class=\"hdrop4-c\"\u003e\n    \u003cp class=\"hdrop4-eyebrow\"\u003eWhat makes it a DROP\u003c\/p\u003e\n    \u003ch2\u003eWhy the DROP 4 looks like a basket of stone\u003c\/h2\u003e\n    \u003cp class=\"hdrop4-lead\"\u003eMost electric heaters hide their elements behind a steel skin and vent hot air off the top. The DROP does the opposite, and that is the whole reason to choose one.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop4-block\"\u003e\n        \u003ch3\u003eThe stone is the surface\u003c\/h3\u003e\n        \u003cp\u003eAbout 121.3 lb (55 kg) of stone sits in an open cradle with the 3 elements running through it. Ladle onto the stone, never onto the metal, and the water meets hot rock across the whole face of the heater rather than one small tray, so the steam arrives soft and even rather than sharp.\u003c\/p\u003e\n        \u003ch3\u003eIt takes no floor\u003c\/h3\u003e\n        \u003cp\u003eThe heater hangs on the frame in the box and stands 23.2 inches tall by 15.4 wide and 13.2 deep, so it uses wall rather than floor. In a small room that is usually the difference between a bench you can lie on and one you cannot.\u003c\/p\u003e\n        \u003ch3\u003eIt can be sunk into the bench\u003c\/h3\u003e\n        \u003cp\u003eWith the \u003ca href=\"\/products\/huum-drop-embedding-flange\"\u003eDROP embedding flange\u003c\/a\u003e the heater drops into a bench or the floor, as long as at least 15 inches of it stays above the surface. The flange covers the cut edges.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cfigure\u003e\u003cdiv class=\"hdrop4-fig\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-drop-4-studio.jpg?v=1790068283\u0026amp;width=1200\" alt=\"HUUM DROP wall mounted electric sauna heater filled with stones\" width=\"2048\" height=\"2048\" loading=\"eager\"\u003e\u003c\/div\u003e\n\u003cfigcaption\u003eThe DROP hangs on a wall frame and carries its stone in the open.\u003c\/figcaption\u003e\u003c\/figure\u003e\n    \u003ch3\u003eWhat the DROP 4 gives up, and what it does not\u003c\/h3\u003e\n    \u003cp\u003eAgainst the rest of the range the DROP 4 gives up room volume and nothing else. It carries the same stone load as the 9 kW, about 121.3 pounds, on the same wall frame, with the same controls. A small sauna with that much stone behaves like a larger one: the steam stays soft and the room holds temperature through the door opening.\u003c\/p\u003e\n\u003cp\u003eThe thing to check before you buy is your supply voltage. On 208 volts this heater makes 3.4 kW instead of 4.5 and its rated room falls to 89 to 177 cubic feet. On a 208 volt supply a room near 200 cubic feet needs the DROP 6 instead.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop4-warn\"\u003e\u003cp\u003e\u003cb\u003eThe heat diverter is in the carton on every DROP size, not just the 9 kW.\u003c\/b\u003e It protects the wall behind the heater and the corner of the ceiling. That changed with HUUM's April 2026 manual, and several dealer listings still show the old arrangement.\u003c\/p\u003e\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrop4-tinted\" id=\"parts\"\u003e\n  \u003cdiv class=\"hdrop4-c\"\u003e\n    \u003cp class=\"hdrop4-eyebrow\"\u003eThe whole order\u003c\/p\u003e\n    \u003ch2\u003eWhat a working DROP 4 takes, beyond the heater\u003c\/h2\u003e\n    \u003cp class=\"hdrop4-lead\"\u003eA sauna heater is three purchases, and the other two are easy to miss. Nothing here is padding: the heater will not run without them.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop4-tw\"\u003e\u003ctable class=\"hdrop4-spec\"\u003e\n      \u003ccaption\u003eRequired to operate\u003c\/caption\u003e\n      \u003ctr class=\"hdrop4-hl\"\u003e\n\u003cth\u003eThe heater\u003c\/th\u003e\n\u003ctd\u003eThis page. Ships by parcel carrier.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eA certified control\u003c\/th\u003e\n\u003ctd\u003eThe control unit goes outside the hot room, and a heater in a public sauna has to have a timer. HUUM's matched control is the UKU, and it is the controller the heater was certified with: the \u003ca href=\"\/products\/huum-uku-local-sauna-heater-control\"\u003eHUUM UKU Local control\u003c\/a\u003e or the \u003ca href=\"\/products\/huum-uku-wifi-sauna-heater-control\"\u003eHUUM UKU Wi-Fi control\u003c\/a\u003e.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003e4 boxes of stone\u003c\/th\u003e\n\u003ctd\u003eAbout 121.3 lb (55 kg), 2 to 4 inches (5 to 10 cm). \u003ca href=\"\/products\/huum-sauna-stones-5-10-cm\"\u003eHUUM olivine diabase sauna stones\u003c\/a\u003e come in 33 pound boxes.\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\u003c\/div\u003e\n    \u003ch3\u003eA guard is a code item, not an upsell\u003c\/h3\u003e\n    \u003cp\u003eThe International Residential Code asks for sauna heaters to be protected from accidental contact by a guard made of a material with low thermal conductivity, such as wood, without blocking the heat. You can build one or use the \u003ca href=\"\/products\/huum-drop-safety-rail\"\u003eDROP safety rail\u003c\/a\u003e. HUUM adds that when the railing is a flammable material such as wood, the heater's minimum clearances still have to be kept to the railing itself. Check what your local code has adopted.\u003c\/p\u003e\n    \u003ch3\u003eOptional\u003c\/h3\u003e\n    \u003cp\u003eA \u003ca href=\"\/products\/huum-drop-drip-tray\"\u003edrip tray\u003c\/a\u003e protects the floor under the heater from stone dust and splash. The \u003ca href=\"\/products\/huum-drop-embedding-flange\"\u003eembedding flange\u003c\/a\u003e is only needed if the heater is sunk into a bench.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop4-warn\"\u003e\u003cp\u003eBuying the heater, the control and the stone together settles the order in one go: our \u003ca href=\"\/products\/huum-drop-4-sauna-heater-package\"\u003eHUUM DROP 4 sauna heater package\u003c\/a\u003e is exactly that, priced at the parts added together. Or call and we will price the heater, control and stone together.\u003c\/p\u003e\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"electrical\"\u003e\n  \u003cdiv class=\"hdrop4-c\"\u003e\n    \u003cp class=\"hdrop4-eyebrow\"\u003eElectrical\u003c\/p\u003e\n    \u003ch2\u003eThe breaker and wire size the HUUM DROP 4 needs\u003c\/h2\u003e\n    \u003cp class=\"hdrop4-lead\"\u003eSettle this before you buy, because it is the line item that surprises people. The heater is hardwired by a licensed electrician.\u003c\/p\u003e\n    \u003cp\u003eThe figures below are HUUM's, from its US manual. They are the manufacturer's minimum, not a design for your house: sauna heating is a continuous load, so the National Electrical Code can require a larger breaker and heavier conductors than the manual's figure, and local amendments differ. Your electrician sizes the circuit. On this model HUUM's breaker figure is below what the Code's continuous-load rule gives for its rated current, so your electrician and inspector decide the breaker and cable, and they may be larger than HUUM's figure.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop4-tw\"\u003e\u003ctable class=\"hdrop4-ladder hdrop4-rooms\"\u003e\n      \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSupply\u003c\/th\u003e\n\u003cth\u003eWhat HUUM specifies\u003c\/th\u003e\n\u003cth\u003eRated room\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr class=\"hdrop4-on\"\u003e\n\u003ctd class=\"hdrop4-kw\"\u003e240 V\u003cspan class=\"hdrop4-tag\"\u003eMost homes\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e4.5 kW, 18.75 A, 30 A breaker, 10 AWG minimum cable\u003c\/td\u003e\n\u003ctd\u003e106 to 248 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd class=\"hdrop4-kw\"\u003e208 V\u003c\/td\u003e\n\u003ctd\u003e3.4 kW, 16.35 A, 20 A breaker, 10 AWG minimum cable\u003c\/td\u003e\n\u003ctd\u003e89 to 177 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\u003c\/div\u003e\n    \u003ch3\u003eWhat the manual requires\u003c\/h3\u003e\n    \u003cp\u003eThe supply cable has to meet UL 62 in the United States or CSA 49 in Canada. Crimping the cable ends is mandatory, cable with non heat resistant PVC insulation is not allowed, and any junction box inside the sauna must be waterproof and no higher than 19 11\/16 inches off the floor.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop4-warn\"\u003e\u003cp\u003e\u003cb\u003eHUUM recommends connecting the heater without a GFCI breaker.\u003c\/b\u003e Its manual says it is recommended to connect the unit to the mains without one. Whether you can follow that depends on where the sauna goes and which edition of the electrical code your area has adopted: an outdoor sauna at a home may fall inside the Code's ground fault requirement for outdoor outlets at these ratings, depending on the edition adopted and how your inspector reads it, while an indoor hardwired heater usually is not caught. Where the manual and the adopted code disagree, the code and your inspector decide. Settle it with your electrician at the rough-in, and ask about nuisance tripping while you are there.\u003c\/p\u003e\u003c\/div\u003e\n    \u003ch3\u003eWhy it is listed, and why that matters\u003c\/h3\u003e\n    \u003cp\u003eIt is listed by SGS, not by UL. SGS North America is on OSHA's list of nationally recognized testing laboratories, and it lists the DROP 4 for the United States and Canada under certificate SGSNA\/20\/SUW\/00067X, to UL 60335-1, CAN\/CSA C22.2 No. 60335-1, CAN\/CSA E60335-2-53 and IEC 60335-2-53. SGS records that listing at 240 V. HUUM's current US manual also publishes 208 V ratings for this heater, so on a 208 V supply confirm acceptance with your local inspector before you wire it. The listing applies on the conditions SGS records against it: the heater is used with sauna stones, run from an approved sauna heater controller (the listing was evaluated with the UKU), supplied by conductors rated to at least 90 degrees C, and carries the warning tag on the bottom rung of the frame. Inspectors differ on what they ask to see for a sauna heater, so check with yours before you buy. We can send you the certificate.\u003c\/p\u003e\n  \u003ch3\u003eWhy this page quotes two voltages\u003c\/h3\u003e\n\u003cp\u003eThere is nothing to pick here, and nothing on this page selects it. Almost every US home is supplied at 240 volts, while many commercial buildings and some apartment blocks are supplied at 208. It is the same heater either way, wired the same way: on 208 volts it draws less and makes less heat, so HUUM publishes a separate output and a smaller room range for it, which is why the rows under the Add to Cart button and the table below both give two. Your electrician reads the panel and tells you which row applies. Either way it is hardwired into the circuit, not plugged into an outlet.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrop4-tinted\" id=\"install\"\u003e\n  \u003cdiv class=\"hdrop4-c\"\u003e\n    \u003cp class=\"hdrop4-eyebrow\"\u003eClearances\u003c\/p\u003e\n    \u003ch2\u003eWhere the HUUM DROP 4 can go\u003c\/h2\u003e\n    \u003cp class=\"hdrop4-lead\"\u003eA wall mounted sauna heater still has clearances, and every DROP size has its own set, because a hotter heater needs more room around it. These are this model's figures, and they assume the stone bed is properly filled.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop4-tw\"\u003e\u003ctable class=\"hdrop4-spec\"\u003e\n      \u003ccaption\u003eMinimum distances, DROP 4\u003c\/caption\u003e\n      \u003ctr\u003e\n\u003cth\u003eTo the side wall\u003c\/th\u003e\n\u003ctd\u003e3.94 in\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eAbove the heater, to the ceiling\u003c\/th\u003e\n\u003ctd\u003e47.25 in\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eBelow the heater, to the floor\u003c\/th\u003e\n\u003ctd\u003e3 15\/16 in (100 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eBody size\u003c\/th\u003e\n\u003ctd\u003e15.4 in W x 13.2 in D x 23.2 in H\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eWeight on the wall\u003c\/th\u003e\n\u003ctd\u003e24.3 lb empty. HUUM gives 143.3 lb for a DROP with its stone in.\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\u003c\/div\u003e\n    \u003cp\u003eHUUM's Table 1 carries further setting-out dimensions that only make sense against the manual's own drawing, which we can send before you order.\u003c\/p\u003e\n    \u003cp\u003eThe frame carries the whole loaded weight, so check what is in that stud bay before the lining boards go on, and run the cable at the same time.\u003c\/p\u003e\n    \u003cp\u003eThe room itself has to be built for a sauna, with an insulated shell, a vapor barrier and supply and exhaust vents. Our \u003ca href=\"\/collections\/traditional-saunas\"\u003etraditional sauna rooms\u003c\/a\u003e arrive built that way.\u003c\/p\u003e\n  \u003cfigure\u003e\u003cdiv class=\"hdrop4-fig\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-drop-4-in_sauna.jpg?width=1200\" alt=\"HUUM DROP in a sauna with the HUUM DROP safety rail (sold separately) fitted\" width=\"2048\" height=\"2048\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003cfigcaption\u003eIn a finished sauna, with the clearances this page lists.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"stones\"\u003e\n  \u003cdiv class=\"hdrop4-c\"\u003e\n    \u003cp class=\"hdrop4-eyebrow\"\u003eStone\u003c\/p\u003e\n    \u003ch2\u003eHow much stone the DROP 4 takes, and how to lay it\u003c\/h2\u003e\n    \u003cp class=\"hdrop4-lead\"\u003eThe stone is not a finishing touch. It is the thermal mass that turns 4.5 kW into steam, and the heater may not be switched on without it.\u003c\/p\u003e\n    \u003cp\u003eThis heater holds \u003cstrong\u003eabout 121.3 lb (55 kg)\u003c\/strong\u003e, which is \u003cstrong\u003e4 boxes\u003c\/strong\u003e of HUUM stone. HUUM asks for natural stone 2 to 4 inches (5 to 10 cm) across, and supplies olivine diabase in 33 pound boxes. Decorative stone is not a substitute: it stores little heat, breaks up, and the pieces block the airflow the elements depend on.\u003c\/p\u003e\n    \u003ch3\u003eLaying it\u003c\/h3\u003e\n    \u003cp\u003eHUUM films the job for the DROP; ask us and we will send you the link to its stone placement film.\u003c\/p\u003e\n    \u003cp\u003eWash the stone first. Lay it piece by piece rather than pouring it in, biggest at the bottom and the sides, smaller pieces wedging them in place. Pack the outer face tightly enough that no element shows through, but leave air paths inside. \u003c\/p\u003e\n    \n    \u003cdiv class=\"hdrop4-warn\"\u003e\u003cp\u003e\u003cb\u003eA sparsely filled stone bed is a fire hazard.\u003c\/b\u003e The clearances on this page assume the elements are covered by stone. Damage caused by unsuitable stone is not covered by HUUM's warranty.\u003c\/p\u003e\u003c\/div\u003e\n    \u003cp\u003eThe DROP 4 takes the same four boxes as the 9 kW. In a room this size that is a lot of thermal mass for the volume, which is why a small sauna with a DROP holds its heat better than the kilowatts alone suggest.\u003c\/p\u003e\n    \u003ch3\u003eHUUM's own warnings\u003c\/h3\u003e\n    \u003cp\u003eWorth reading before the first session, in HUUM's words: the heater may be used only when it has been correctly filled with stones; do not cover it, because that causes a fire hazard; do not touch a working heater, because it causes burns; never make steam with a water hose; use fragrances and oils only in the steam water, because poured onto the stones undiluted they can catch fire; sauna doors should always open outward; never ladle water while someone is close to the heater, because the steam can burn; and do not leave small children in the sauna unattended. HUUM adds that sudden cooling after a sauna is not recommended for people in poor health, who should ask a doctor first.\u003c\/p\u003e\n    \u003ch3\u003eLooking after it\u003c\/h3\u003e\n    \u003cp\u003eHUUM asks for a visual check after about 100 hours of use or at least once a year, a rearrange and replacement of any cracked pieces at about 200 hours, and all of it replaced at about 400 hours. Stone crumbles as it cycles, and the dust is what eventually blocks the airflow.\u003c\/p\u003e\n  \u003cfigure\u003e\u003cdiv class=\"hdrop4-fig\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-drop-4-stones_detail.jpg?width=1200\" alt=\"Stones and steam on the HUUM DROP sauna heater\" width=\"2048\" height=\"2048\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003cfigcaption\u003eThe stone bed, filled as the manual asks.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrop4-tinted\" id=\"costs\"\u003e\n  \u003cdiv class=\"hdrop4-c\"\u003e\n    \u003cp class=\"hdrop4-eyebrow\"\u003eRunning cost\u003c\/p\u003e\n    \u003ch2\u003eWhat the DROP 4 costs to run\u003c\/h2\u003e\n    \u003cp class=\"hdrop4-lead\"\u003eA sauna heater draws its full rated power while it heats, then cycles on the thermostat to hold temperature. That makes the ceiling easy to calculate and the real figure lower.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop4-tw\"\u003e\u003ctable class=\"hdrop4-spec\"\u003e\n      \u003ccaption\u003eAt the US average residential price of 18.3 cents a kilowatt hour (EIA, June 2026)\u003c\/caption\u003e\n      \u003ctr\u003e\n\u003cth\u003eFull output, one hour\u003c\/th\u003e\n\u003ctd\u003e4.5 kW x 0.183 = about 0.82 dollars\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eThree hours at full draw, heat up and a session\u003c\/th\u003e\n\u003ctd\u003eabout 2.47 dollars\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eThree of those a week\u003c\/th\u003e\n\u003ctd\u003eabout 7 dollars a week\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\u003c\/div\u003e\n    \u003cp\u003eThose are ceilings, not averages: once the room is at temperature the heater is off more than it is on, so the real bill lands under them. Your own rate is on your utility bill and varies widely by state.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop4-warn\"\u003e\u003cp\u003e\u003cb\u003eInsulation controls this number, not the heater.\u003c\/b\u003e A sauna that leaks heat runs the elements continuously, which costs more and wears them out sooner.\u003c\/p\u003e\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"crate\"\u003e\n  \u003cdiv class=\"hdrop4-c\"\u003e\n    \u003cp class=\"hdrop4-eyebrow\"\u003eWhat you get\u003c\/p\u003e\n    \u003ch2\u003eIn the DROP 4 carton\u003c\/h2\u003e\n    \u003cdiv class=\"hdrop4-pairup\"\u003e\n      \u003cdiv\u003e\n        \u003cul class=\"hdrop4-chk\"\u003e\n\u003cli\u003eElectric heater\u003c\/li\u003e\n\u003cli\u003eHeater mounting plate\u003c\/li\u003e\n\u003cli\u003eReflector\u003c\/li\u003e\n\u003cli\u003eHeating element spacers\u003c\/li\u003e\n\u003cli\u003eHeating element retainer\u003c\/li\u003e\n\u003cli\u003eHeat diverter with fastenings\u003c\/li\u003e\n\u003cli\u003eInstallation and operation manual\u003c\/li\u003e\n\u003c\/ul\u003e\n      \u003c\/div\u003e\n      \u003cdiv\u003e\n        \u003ch3\u003eNot included\u003c\/h3\u003e\n        \u003cp\u003eThe control, the stone, and the electrical work. The control and 4 boxes of stone are required to operate the heater; the rail, drip tray and embedding flange are optional.\u003c\/p\u003e\n        \u003ch3\u003eLead time\u003c\/h3\u003e\n        \u003cp\u003eDelivery estimates are shown on this page and at checkout. If you need a date before you commit, call us and we will confirm the current position with the distributor.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrop4-tinted\" id=\"specs\"\u003e\n  \u003cdiv class=\"hdrop4-c\"\u003e\n    \u003cp class=\"hdrop4-eyebrow\"\u003eReference\u003c\/p\u003e\n    \u003ch2\u003eHUUM DROP 4 specifications\u003c\/h2\u003e\n    \u003cdetails class=\"hdrop4-more\" open\u003e\n      \u003csummary\u003eFull specification tables\u003c\/summary\u003e\n      \u003cdiv class=\"hdrop4-tw\"\u003e\u003ctable class=\"hdrop4-spec\"\u003e\n\u003ccaption\u003eFrom the DROP 2.0 User Manual US v8 (April 2026), Tables 1 to 3\u003c\/caption\u003e\n\u003ctr\u003e\n\u003cth\u003eHeater output\u003c\/th\u003e\n\u003ctd\u003e4.5 kW at 240 V, 3.4 kW at 208 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRoom volume\u003c\/th\u003e\n\u003ctd\u003e106 to 248 adjusted cu. ft. at 240 V, 89 to 177 cu. ft. at 208 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMinimum room height\u003c\/th\u003e\n\u003ctd\u003e75 in (1900 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRated current\u003c\/th\u003e\n\u003ctd\u003e18.75 A at 240 V, 16.35 A at 208 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCircuit breaker\u003c\/th\u003e\n\u003ctd\u003e30 A at 240 V, 20 A at 208 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMinimum supply cable\u003c\/th\u003e\n\u003ctd\u003e10 AWG at 240 V, 10 AWG at 208 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeating elements\u003c\/th\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStone capacity\u003c\/th\u003e\n\u003ctd\u003eAbout 121.3 lb (55 kg), 4 boxes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStone size\u003c\/th\u003e\n\u003ctd\u003e2 to 4 in (5 to 10 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBody size\u003c\/th\u003e\n\u003ctd\u003e15.4 in W x 13.2 in D x 23.2 in H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight with stone\u003c\/th\u003e\n\u003ctd\u003e143.3 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eClearance to the side wall\u003c\/th\u003e\n\u003ctd\u003e3.94 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eClearance above the heater\u003c\/th\u003e\n\u003ctd\u003e47.25 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting\u003c\/th\u003e\n\u003ctd\u003eWall mounted on the supplied frame\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eControl\u003c\/th\u003e\n\u003ctd\u003eSeparate certified control required, sold separately\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n      \u003cdiv class=\"hdrop4-tw\"\u003e\u003ctable class=\"hdrop4-spec\"\u003e\n\u003ccaption\u003ePart number, certification and warranty\u003c\/caption\u003e\n\u003ctr\u003e\n\u003cth\u003ePart number\u003c\/th\u003e\n\u003ctd\u003eH1001052\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeater weight, empty\u003c\/th\u003e\n\u003ctd\u003e24.3 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupply\u003c\/th\u003e\n\u003ctd\u003eSingle phase, 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCertification\u003c\/th\u003e\n\u003ctd\u003eSGS Listed for North America (SGSNA\/20\/SUW\/00067X)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003eHUUM limited warranty, 3 years for private use and 1 year for commercial use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"compare\"\u003e\n  \u003cdiv class=\"hdrop4-c\"\u003e\n    \u003cp class=\"hdrop4-eyebrow\"\u003eThe range\u003c\/p\u003e\n    \u003ch2\u003eHUUM DROP 4 against the rest of the DROP range\u003c\/h2\u003e\n    \u003cp class=\"hdrop4-lead\"\u003eAll four take the same wall frame, the same stone load and the same controls. The choice is room volume and the circuit you can supply. Every figure below is HUUM's own, from its US manual, and the breaker column is the manufacturer's minimum rather than a design for your house.\u003c\/p\u003e\n    \u003cp\u003eScroll the table sideways to see every model.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop4-tw hdrop4-tw--scroll\"\u003e\u003ctable class=\"hdrop4-cmp\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth class=\"hdrop4-me\"\u003e\n\u003cspan class=\"hdrop4-cmp-h\"\u003eHUUM\u003c\/span\u003e\u003cspan class=\"hdrop4-cmp-m\"\u003eDROP 4\u003c\/span\u003e\u003cspan class=\"hdrop4-cmp-here\"\u003eYou are here\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/huum-drop-6-electric-sauna-heater\"\u003e\u003cspan class=\"hdrop4-cmp-h\"\u003eHUUM\u003c\/span\u003e\u003cspan class=\"hdrop4-cmp-m\"\u003eDROP 6\u003c\/span\u003e\u003cspan class=\"hdrop4-cmp-here\"\u003e6 kW, 177 to 318 cu. ft.\u003c\/span\u003e\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/huum-drop-7-electric-sauna-heater\"\u003e\u003cspan class=\"hdrop4-cmp-h\"\u003eHUUM\u003c\/span\u003e\u003cspan class=\"hdrop4-cmp-m\"\u003eDROP 7\u003c\/span\u003e\u003cspan class=\"hdrop4-cmp-here\"\u003e7.5 kW, 248 to 389 cu. ft.\u003c\/span\u003e\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/huum-drop-9-electric-sauna-heater\"\u003e\u003cspan class=\"hdrop4-cmp-h\"\u003eHUUM\u003c\/span\u003e\u003cspan class=\"hdrop4-cmp-m\"\u003eDROP 9\u003c\/span\u003e\u003cspan class=\"hdrop4-cmp-here\"\u003e9 kW, 283 to 460 cu. ft.\u003c\/span\u003e\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput at 240 V\u003c\/td\u003e\n\u003ctd class=\"hdrop4-me\"\u003e4.5 kW\u003c\/td\u003e\n\u003ctd\u003e6 kW\u003c\/td\u003e\n\u003ctd\u003e7.5 kW\u003c\/td\u003e\n\u003ctd\u003e9 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated room\u003c\/td\u003e\n\u003ctd class=\"hdrop4-me\"\u003e106 to 248 cu. ft.\u003c\/td\u003e\n\u003ctd\u003e177 to 318 cu. ft.\u003c\/td\u003e\n\u003ctd\u003e248 to 389 cu. ft.\u003c\/td\u003e\n\u003ctd\u003e283 to 460 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd class=\"hdrop4-me\"\u003e18.75 A\u003c\/td\u003e\n\u003ctd\u003e25 A\u003c\/td\u003e\n\u003ctd\u003e31.25 A\u003c\/td\u003e\n\u003ctd\u003e37.5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBreaker\u003c\/td\u003e\n\u003ctd class=\"hdrop4-me\"\u003e30 A\u003c\/td\u003e\n\u003ctd\u003e30 A\u003c\/td\u003e\n\u003ctd\u003e40 A\u003c\/td\u003e\n\u003ctd\u003e50 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum cable\u003c\/td\u003e\n\u003ctd class=\"hdrop4-me\"\u003e10 AWG\u003c\/td\u003e\n\u003ctd\u003e10 AWG\u003c\/td\u003e\n\u003ctd\u003e8 AWG\u003c\/td\u003e\n\u003ctd\u003e8 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElements\u003c\/td\u003e\n\u003ctd class=\"hdrop4-me\"\u003e3\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStone\u003c\/td\u003e\n\u003ctd class=\"hdrop4-me\"\u003e4 boxes\u003c\/td\u003e\n\u003ctd\u003e4 boxes\u003c\/td\u003e\n\u003ctd\u003e4 boxes\u003c\/td\u003e\n\u003ctd\u003e4 boxes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n    \u003ch3\u003eWhen a DROP is the wrong heater\u003c\/h3\u003e\n    \u003cp\u003eThe DROP tops out at 9 kW and hangs on a wall. For a room above 460 cubic feet, or a commercial room that reheats group after group, a STEEL at about 330 pounds of stone, or a HIVE at 528, holds temperature better. Compare the whole range on our \u003ca href=\"\/collections\/electric-sauna-heaters\"\u003eelectric sauna heaters\u003c\/a\u003e page, browse every \u003ca href=\"\/collections\/sauna-heaters\"\u003esauna heater\u003c\/a\u003e we carry, or see every model in our \u003ca href=\"\/collections\/huum\"\u003eHUUM sauna heaters\u003c\/a\u003e collection.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"faq\"\u003e\n  \u003cdiv class=\"hdrop4-c\"\u003e\n    \u003cp class=\"hdrop4-eyebrow\"\u003eBuyer questions\u003c\/p\u003e\n    \u003ch2\u003eHUUM DROP 4 questions buyers ask before ordering\u003c\/h2\u003e\n    \u003cdiv class=\"hdrop4-faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat size sauna will the HUUM DROP 4 heat?\u003c\/summary\u003e\u003cdiv class=\"hdrop4-fb\"\u003e\u003cp\u003eHUUM rates it for 106 to 248 cubic feet on 240 volts, or 89 to 177 cubic feet on 208 volts. Measure length by width by height in feet, then add 3.3 cubic feet for every square foot of uninsulated glass, brick or tile. HUUM does not say whether a glass door counts, so counting it is the cautious choice, and size from that number.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDoes the HUUM DROP 4 come with a control?\u003c\/summary\u003e\u003cdiv class=\"hdrop4-fb\"\u003e\u003cp\u003eNo. Every HUUM heater needs a separate certified control, bought separately. The control unit goes outside the hot room, its own manual sets out which panel finishes may be mounted inside, and a heater in a public sauna has to have a timer. HUUM's matched control is the UKU, the controller this heater was certified with, in Local or Wi-Fi form.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow many boxes of stone does the HUUM DROP 4 need?\u003c\/summary\u003e\u003cdiv class=\"hdrop4-fb\"\u003e\u003cp\u003e4 boxes. The heater holds about 121.3 lb (55 kg) and HUUM asks for natural stone 2 to 4 inches across. HUUM's own stone is olivine diabase in 33 pound boxes. The heater may not be run before it is properly filled.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat breaker and wire does the HUUM DROP 4 need?\u003c\/summary\u003e\u003cdiv class=\"hdrop4-fb\"\u003e\u003cp\u003eOn 240 volts it draws 18.75 A and HUUM specifies a 30 A breaker with 10 AWG cable. On 208 volts it is 16.35 A, a 20 A breaker and 10 AWG. The cable must meet UL 62 in the United States or CSA 49 in Canada, and your electrician sizes the install to the National Electrical Code and to local amendments. On this model HUUM's breaker figure is below what the Code's continuous-load rule gives for its rated current, so your electrician and inspector decide the breaker and cable, and they may be larger than HUUM's figure.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eIs the HUUM DROP 4 UL listed?\u003c\/summary\u003e\u003cdiv class=\"hdrop4-fb\"\u003e\u003cp\u003eListed, but by SGS rather than UL. SGS North America is on OSHA's list of nationally recognized testing laboratories, and its certificate SGSNA\/20\/SUW\/00067X covers this heater for the United States and Canada. SGS records conditions against that listing, and they are set out in full in the listing section above.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eCan I install the HUUM DROP 4 myself?\u003c\/summary\u003e\u003cdiv class=\"hdrop4-fb\"\u003e\u003cp\u003eNot if you want the warranty. HUUM's warranty requires the heater to be installed and connected by a licensed electrician, with proof presented to HUUM. The heater is hardwired, crimped cable ends are mandatory and the manual forbids cable with non heat resistant PVC insulation. Keep the electrician's invoice.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDoes the HUUM DROP 4 need a GFCI breaker?\u003c\/summary\u003e\u003cdiv class=\"hdrop4-fb\"\u003e\u003cp\u003eHUUM's manual says it is recommended to connect the heater without one. Whether you can follow that depends on where the sauna goes and which edition of the electrical code your area has adopted. An outdoor sauna at a home may fall inside the Code's ground fault requirement for outdoor outlets at these ratings, depending on the edition adopted and how your inspector reads it, while an indoor hardwired heater usually is not caught. Where the manual and the adopted code disagree, the code and your inspector decide, so settle it with your electrician before the rough-in.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDoes the HUUM DROP 4 need a UKU extension box?\u003c\/summary\u003e\u003cdiv class=\"hdrop4-fb\"\u003e\u003cp\u003eNo. The extension box is for HUUM heaters above 11 kW, which means the HIVE 12, 15 and 18. Every DROP runs from the UKU's main module on its own. Dealer listings quote several different thresholds for the box, which is where the confusion comes from.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow long does the HUUM DROP 4 take to heat a sauna?\u003c\/summary\u003e\u003cdiv class=\"hdrop4-fb\"\u003e\u003cp\u003eHUUM's manual says about an hour in a properly insulated room with a correctly sized heater, with the stone reaching throwing temperature at about the same time as the air. A leaky room or an undersized heater takes longer and costs more to run.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat warranty comes with the HUUM DROP 4?\u003c\/summary\u003e\u003cdiv class=\"hdrop4-fb\"\u003e\u003cp\u003eHUUM warrants its electric heaters, wood stoves and controls for 3 years in a private sauna and 1 year in a commercial one, from the date of purchase, with spare parts covered for 1 year. Heating elements, controller sensors, stones, HUUM accessories, and wood stove door glass and ash grates are excluded, and so is damage from unsuitable stones or from a heater sized wrong for the room. HUUM counts it as commercial use if a registered business uses the product commercially, if a private user uses it commercially, or if a private user runs it for more than 1,500 hours in a 12 month period. For the warranty to apply, the heater has to be installed and connected by a licensed electrician with proof presented to HUUM, installed and operated to HUUM's manual and to local building, electrical and fire codes, and installed complete. Damage found on delivery has to be reported to us within 48 hours of delivery, with photographs and before the heater is installed; that is our window, and because it is shorter than HUUM's 7 days, it is the one that applies to the HUUM warranty. Any defect has to be reported within 30 days of discovering it. Because elements are excluded, we stock them as \u003ca href=\"\/products\/huum-drop-heating-element\"\u003ereplacement parts\u003c\/a\u003e.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003cdiv class=\"hdrop4-close\" id=\"order\"\u003e\n\u003cdiv class=\"hdrop4-c\"\u003e\n\u003cp class=\"hdrop4-eyebrow\" style=\"color:#E8A33D\"\u003eOne last thing\u003c\/p\u003e\n\u003ch2\u003eNot sure the DROP 4 is the right output?\u003c\/h2\u003e\n\u003cp\u003eTell us the room size and how the walls are built, and we will size it with you before you order. The stone and the UKU control sit on this page, above Add to Cart, so the whole order goes in together. If you would rather take it in one line, we build the same parts as a \u003ca href=\"\/collections\/sauna-heater-packages\"\u003esauna heater package\u003c\/a\u003e.\u003c\/p\u003e\n\u003cdiv class=\"hdrop4-who\"\u003e\n\u003cimg class=\"hdrop4-av\" src=\"https:\/\/recoveryroomdirect.com\/cdn\/shop\/files\/recovery_room_direct_specialist_customer_service.png?v=178611576\u0026amp;width=128\" alt=\"Chaddy, sauna specialist at Recovery Room Direct\" width=\"52\" height=\"52\" loading=\"lazy\"\u003e\n\u003cp\u003e\u003cb\u003eChaddy\u003c\/b\u003e\u003cspan\u003eSauna specialist, Recovery Room Direct\u003c\/span\u003e\u003cspan\u003eMonday to Saturday, 9AM to 6PM ET\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ca class=\"hdrop4-btn\" href=\"tel:+18885005675\"\u003eCall (888) 500-5675\u003c\/a\u003e\n\u003ca class=\"hdrop4-up\" href=\"#MainContent\"\u003eReady to order? Scroll up to the buy box\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HUUM","offers":[{"title":"Default Title","offer_id":53514267885935,"sku":"H1001052","price":1334.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-drop-4-electric-sauna-heater-installed-crop.jpg?v=1791437364"},{"product_id":"huum-drop-7-electric-sauna-heater","title":"HUUM DROP 7 Electric Sauna Heater, 7.5 kW","description":"\u003cstyle\u003e.hdrop7{--ink:#1A1410;--body:#463C33;--mut:#54493D;--accent:#96620A;--bright:#E8A33D;--dark:#171310;--sub:#54493D;--tint:#F7F1E6;--fill:#F0E9DB;--hl:#F6E7CB;--line:#DCCFB4;--warm:#DCCFB4;--edge:#CBBBA0;--rule:#DCCFB4;--r-lg:10px;--r-sm:10px;--r-xs:999px;--gut:20px;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:var(--body);line-height:1.65;letter-spacing:normal;-webkit-font-smoothing:antialiased;background:#fff}.hdrop7 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p{font-size:17px;margin:0 0 8px;color:var(--body)}.hdrop7 .hdrop7-close{background:var(--dark);color:#C3B6A5;padding:60px 0}.hdrop7 .hdrop7-close h2{color:#fff;max-width:22ch}.hdrop7 .hdrop7-close p{color:#C3B6A5;max-width:56ch;font-size:17px}.hdrop7 .hdrop7-close .hdrop7-who{display:flex;gap:16px;align-items:center;margin:8px 0 24px}.hdrop7 .hdrop7-close .hdrop7-av{width:52px;height:52px;border-radius:var(--r-xs);flex:0 0 auto;object-fit:cover;background:#2E2620;display:block}.hdrop7 .hdrop7-close .hdrop7-who p{margin:0;font-size:15.5px;color:#C3B6A5;line-height:1.5}.hdrop7 .hdrop7-close .hdrop7-who b{color:#fff;display:block;font-size:17px;margin-bottom:8px}.hdrop7 .hdrop7-close .hdrop7-who span{display:block}.hdrop7 .hdrop7-c .hdrop7-btn,.hdrop7 .hdrop7-btn{display:inline-block;background:var(--accent);color:#fff;font-weight:700;font-size:15.5px;line-height:1.5;padding:16px 32px;border-radius:var(--r-sm);text-decoration:none;margin:8px 0 0}.hdrop7 .hdrop7-c .hdrop7-btn:hover,.hdrop7 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.hdrop7-stat3\u003ediv:last-child{border-bottom:0}.hdrop7 .hdrop7-split{grid-template-columns:1fr;gap:24px}.hdrop7 .hdrop7-buy{grid-template-columns:1fr}.hdrop7 .hdrop7-toc ol{grid-template-columns:1fr}}@media screen and (min-width:841px){.hdrop7 .hdrop7-toc\u003esummary{display:none}.hdrop7 .hdrop7-toc ol{display:grid !important}}@media screen and (max-width:560px){.hdrop7 .hdrop7-ladder thead{position:absolute;left:-9999px}.hdrop7 .hdrop7-ladder tr{display:block;border-bottom:1px solid var(--rule);padding:14px var(--gut)}.hdrop7 .hdrop7-ladder tr.hdrop7-on{background:var(--hl)}.hdrop7 .hdrop7-ladder td{display:block;border:0;padding:0}.hdrop7 .hdrop7-ladder td:last-child{text-align:left;font-size:15.5px;margin-top:8px}}.hdrop7 .hdrop7-hl td,.hdrop7 .hdrop7-hl th,.hdrop7 .hdrop7-ladder tr.hdrop7-on td,.hdrop7 table.hdrop7-cmp td.hdrop7-me{border-bottom-color:var(--edge)}@media screen and (max-width:840px){.hdrop7 table.hdrop7-cmp thead a{min-height:44px;display:flex;flex-direction:column;justify-content:flex-end;padding-bottom:2px}}.rte .hdrop7 table th,.rte .hdrop7 table td{padding:11px var(--gut)}.hdrop7 .hdrop7-ladder th:last-child,.hdrop7 .hdrop7-ladder td:last-child{text-align:left;white-space:normal;overflow-wrap:anywhere}.hdrop7 .hdrop7-buy{align-items:start}.hdrop7 .hdrop7-buy li span a{display:inline-block;padding:16px 0;margin:-16px 0}.hdrop7 table.hdrop7-cmp td:first-child{position:sticky;left:0;z-index:1;background:#fff;box-shadow:inset 0 -1px 0 var(--rule),1px 0 0 var(--rule)}.hdrop7 table.hdrop7-cmp thead th:first-child{position:sticky;left:0;z-index:2;background:var(--fill)}@media screen and (max-width:560px){.hdrop7 .hdrop7-ladder td:last-child::before{content:\"Nameplate draw:\\00a0\";font-weight:700;color:var(--ink)}}@media screen and (max-width:480px){.hdrop7 table.hdrop7-spec th,.hdrop7 table.hdrop7-spec td{display:block;width:auto}.hdrop7 table.hdrop7-spec th{border-bottom:0;padding-bottom:0}}.hdrop7 .hdrop7-vid .video-wrapper{position:absolute !important;inset:0;width:100%;height:100%;padding:0 !important;margin:0}.hdrop7 .hdrop7-vid video{position:absolute;inset:0;width:100%;height:100%;display:block;border:0;background:var(--dark);object-fit:cover}.hdrop7 .hdrop7-vid video:focus-visible{outline:3px solid var(--bright);outline-offset:-3px}.hdrop7 .hdrop7-fig{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--edge);background:#fff}.hdrop7 .hdrop7-fig img{width:100%;height:auto;display:block;border:0;border-radius:0;box-shadow:none;mix-blend-mode:multiply}.hdrop7 .hdrop7-c\u003efigure{max-width:560px;margin-left:auto;margin-right:auto}.hdrop7 .hdrop7-close p.hdrop7-eyebrow{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;line-height:1.5}.hdrop7 .hdrop7-stat3 a{color:var(--bright)}.hdrop7 .hdrop7-faq summary h3{margin:0;font-size:inherit;font-weight:inherit;line-height:inherit;display:inline}.hdrop7 .hdrop7-cmp thead a .hdrop7-cmp-here{color:var(--sub);font-weight:600;letter-spacing:.02em;text-transform:none}@media screen and (max-width:560px){.hdrop7 .hdrop7-ladder.hdrop7-rooms td:last-child::before{content:\"Rated room:\\00a0\"}.hdrop7 .hdrop7-ladder.hdrop7-out td:last-child::before{content:\"Output:\\00a0\"}}.hdrop7 .hdrop7-tw + p,.hdrop7 .hdrop7-tw + h3,.hdrop7 .hdrop7-warn + p,.hdrop7 .hdrop7-warn + h3,.hdrop7 .hdrop7-more + p{margin-top:24px}\u003c\/style\u003e\n\u003cdiv class=\"hdrop7\"\u003e\n\u003csection id=\"overview\"\u003e\n  \u003cdiv class=\"hdrop7-c\"\u003e\n    \u003cdetails class=\"hdrop7-disc\"\u003e\u003csummary\u003eJump to\u003cspan class=\"hdrop7-ct\"\u003e9 sections\u003c\/span\u003e\u003c\/summary\u003e\u003col\u003e\n\u003cli\u003e\u003ca href=\"#overview\"\u003eOverview\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#video\"\u003eVideo\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#fit\"\u003eWill it fit\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#parts\"\u003eWhat you need\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#electrical\"\u003eBreaker and wire\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#stones\"\u003eStone\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#compare\"\u003eHow it compares\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#faq\"\u003eQuestions\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#order\"\u003eOrder\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\u003c\/details\u003e\n    \u003cp class=\"hdrop7-eyebrow\"\u003eFive elements, not three\u003c\/p\u003e\n    \u003ch2\u003eThe HUUM DROP 7 is a 7.5 kW wall mounted electric sauna heater for rooms of 248 to 389 cubic feet\u003c\/h2\u003e\n    \u003cp class=\"hdrop7-lead\"\u003eThe DROP 7 is where the range changes inside: five heating elements instead of three, laid through the same open stone cradle, for rooms from 248 to 389 cubic feet.\u003c\/p\u003e\n    \u003cp\u003eThe DROP hangs on the wall as an upright open cradle of stone. The 5 elements run through the stone rather than behind a panel, so the stone is the thing you see, and HUUM rates this size for 248 to 389 cubic feet at 240 volts.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop7-stat3\"\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"hdrop7-lbl\"\u003eThe room\u003c\/p\u003e\n        \u003cp class=\"hdrop7-big\"\u003e248 to 389 cu. ft.\u003c\/p\u003e\n        \u003cp\u003eLength by width by height, in feet. Add 3.3 cubic feet for every square foot of uninsulated glass, tile or brick. HUUM does not say whether a glass door counts, so counting it is the cautious choice, then size from the adjusted number.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"hdrop7-lbl\"\u003eRated current\u003c\/p\u003e\n        \u003cp class=\"hdrop7-big\"\u003e31.25 A at 240 V\u003c\/p\u003e\n        \u003cp\u003eHUUM's manual calls for a 40 A breaker and thicker 8 AWG cable, a step up from the DROP 6. It is hardwired by a licensed electrician, who sizes the circuit to the National Electrical Code. On this model HUUM's breaker figure is below what the Code's continuous-load rule gives for its rated current, so your electrician and inspector decide the breaker and cable, and they may be larger than HUUM's figure.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"hdrop7-lbl\"\u003eThe rest of the order\u003c\/p\u003e\n        \u003cp class=\"hdrop7-big\"\u003eControl and 4 boxes of stone\u003c\/p\u003e\n        \u003cp\u003eNeither is in the carton, and neither needs a second order: open \u003cstrong\u003eComplete your heater\u003c\/strong\u003e just above the Add to Cart button and both travel on this one. A \u003ca href=\"\/products\/huum-uku-wifi-sauna-heater-control\"\u003eHUUM UKU control\u003c\/a\u003e runs the heater from outside the room, and this heater holds about 121.3 lb (55 kg) of \u003ca href=\"\/products\/huum-sauna-stones-5-10-cm\"\u003esauna stone\u003c\/a\u003e.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection id=\"video\"\u003e\n    \u003cp class=\"hdrop7-eyebrow\"\u003eWatch\u003c\/p\u003e\n    \u003cdiv class=\"hdrop7-vidrow\"\u003e\n    \u003cdiv class=\"hdrop7-vid\"\u003e\u003ciframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/K4BQgwESR4c\" title=\"The heat diverter, fitted, HUUM\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n    \u003cdiv class=\"hdrop7-vidbody\"\u003e\n    \u003ch2\u003eThe heat diverter, fitted\u003c\/h2\u003e\n    \u003cp class=\"hdrop7-lead\"\u003eEvery DROP 2.0 ships with the heat diverter. This is how it bolts to the reflector.\u003c\/p\u003e\n    \u003cp\u003eHUUM filmed this itself. Its heater installation films are made for Europe and show European wiring, so we do not run them here: the sauna side of the job is the same, the electrical side is not.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003c\/section\u003e\n\n\n\u003csection class=\"hdrop7-tinted\" id=\"fit\"\u003e\n  \u003cdiv class=\"hdrop7-c\"\u003e\n    \u003cp class=\"hdrop7-eyebrow\"\u003eSizing\u003c\/p\u003e\n    \u003ch2\u003eWill the HUUM DROP 7 heat your sauna?\u003c\/h2\u003e\n    \u003cp class=\"hdrop7-lead\"\u003eSauna heaters are sized on room volume, not floor area. Measure the room in feet and multiply length by width by height: a 7 by 5 room with a 7 foot ceiling is 35 square feet and 245 cubic feet. Pick the heater whose published range contains that figure.\u003c\/p\u003e\n    \u003cp\u003eHUUM rates the DROP 7 for \u003cstrong\u003e248 to 389 cubic feet\u003c\/strong\u003e on a 240 volt supply.\u003c\/p\u003e\n    \u003cp\u003eCold surfaces change the answer and most buyers forget them. HUUM's manual says to add \u003cstrong\u003e3.3 cubic feet of volume for every square foot\u003c\/strong\u003e of uninsulated brick, tile or glass in the room. The result is your adjusted cubic feet, and that is the number HUUM's range refers to. A single glass door is often enough to push a borderline room up a model.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop7-tw\"\u003e\u003ctable class=\"hdrop7-ladder hdrop7-out\"\u003e\n      \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eRated room\u003c\/th\u003e\n\u003cth\u003eOutput\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n      \u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop7-kw\"\u003eDROP 4\u003c\/td\u003e\n\u003ctd\u003e106 to 248 cu. ft. at 240 V, 89 to 177 at 208 V\u003c\/td\u003e\n\u003ctd\u003e4.5 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop7-kw\"\u003eDROP 6\u003c\/td\u003e\n\u003ctd\u003e177 to 318 cu. ft. at 240 V, 142 to 248 at 208 V\u003c\/td\u003e\n\u003ctd\u003e6 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"hdrop7-on\"\u003e\n\u003ctd class=\"hdrop7-kw\"\u003eDROP 7 \u003cspan class=\"hdrop7-tag\"\u003eThis heater\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e248 to 389 cu. ft. at 240 V, 177 to 301 at 208 V\u003c\/td\u003e\n\u003ctd\u003e7.5 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop7-kw\"\u003eDROP 9\u003c\/td\u003e\n\u003ctd\u003e283 to 460 cu. ft. at 240 V, 212 to 354 at 208 V\u003c\/td\u003e\n\u003ctd\u003e9 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n    \u003c\/table\u003e\u003c\/div\u003e\n    \u003ch3\u003eA worked example for the DROP 7\u003c\/h3\u003e\n    \u003cp\u003eTake a room 8 feet by 6.5 feet with a 7 foot ceiling: 52 square feet and 364 cubic feet, inside this heater's 248 to 389. Add a full glass door, take 13 square feet as an example and measure your own, and the room behaves like 407 cubic feet, which is past the DROP 7 and into the DROP 9. On a room this size the adjustment is worth doing carefully, because the step up also changes the breaker from 40 to 50 amps.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop7-warn\"\u003e\u003cp\u003e\u003cb\u003eThe minimum sauna room height for a DROP is 75 inches (1900 mm).\u003c\/b\u003e HUUM recommends 79 to 91 inches and asks for 44 to 51 inches between the top bench and the ceiling. HUUM advises lowering a taller ceiling into its recommended range to reduce the volume.\u003c\/p\u003e\u003c\/div\u003e\n    \u003cp\u003eNot sure which way a borderline room goes? Our \u003ca href=\"\/pages\/find-your-sauna-heater\"\u003esauna heater finder\u003c\/a\u003e walks the same arithmetic, the \u003ca href=\"\/pages\/sauna-heater-buyers-guide\"\u003esauna heater buyers guide\u003c\/a\u003e explains what the numbers mean, or call and we will do it with you.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"design\"\u003e\n  \u003cdiv class=\"hdrop7-c\"\u003e\n    \u003cp class=\"hdrop7-eyebrow\"\u003eWhat makes it a DROP\u003c\/p\u003e\n    \u003ch2\u003eWhy the DROP 7 looks like a basket of stone\u003c\/h2\u003e\n    \u003cp class=\"hdrop7-lead\"\u003eMost electric heaters hide their elements behind a steel skin and vent hot air off the top. The DROP does the opposite, and that is the whole reason to choose one.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop7-block\"\u003e\n        \u003ch3\u003eThe stone is the surface\u003c\/h3\u003e\n        \u003cp\u003eAbout 121.3 lb (55 kg) of stone sits in an open cradle with the 5 elements running through it. Ladle onto the stone, never onto the metal, and the water meets hot rock across the whole face of the heater rather than one small tray, so the steam arrives soft and even rather than sharp.\u003c\/p\u003e\n        \u003ch3\u003eIt takes no floor\u003c\/h3\u003e\n        \u003cp\u003eThe heater hangs on the frame in the box and stands 23.2 inches tall by 15.4 wide and 13.2 deep, so it uses wall rather than floor. In a small room that is usually the difference between a bench you can lie on and one you cannot.\u003c\/p\u003e\n        \u003ch3\u003eIt can be sunk into the bench\u003c\/h3\u003e\n        \u003cp\u003eWith the \u003ca href=\"\/products\/huum-drop-embedding-flange\"\u003eDROP embedding flange\u003c\/a\u003e the heater drops into a bench or the floor, as long as at least 15 inches of it stays above the surface. The flange covers the cut edges.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cfigure\u003e\u003cdiv class=\"hdrop7-fig\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-drop-7-studio.jpg?v=1790068297\u0026amp;width=1200\" alt=\"HUUM DROP wall mounted electric sauna heater filled with stones\" width=\"2048\" height=\"2048\" loading=\"eager\"\u003e\u003c\/div\u003e\n\u003cfigcaption\u003eThe DROP hangs on a wall frame and carries its stone in the open.\u003c\/figcaption\u003e\u003c\/figure\u003e\n    \u003ch3\u003eWhat the two extra elements change\u003c\/h3\u003e\n    \u003cp\u003eThe 4 and the 6 carry three elements. The 7 and the 9 carry five, held by a retainer across the cradle, so the heat is spread through more of the stone bed and a bigger room comes up to temperature without a bigger cabinet on the wall.\u003c\/p\u003e\n\u003cp\u003eThey also change the stone work. HUUM's manual says to keep stone out from under the retainer and to fill between the elements instead, packing the outer face tightly enough that no element shows through.\u003c\/p\u003e\n\u003cp\u003eThe circuit steps up here too: HUUM's manual calls for a 40 amp breaker and 8 AWG cable, against 30 amps and 10 AWG for the DROP 6.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop7-warn\"\u003e\u003cp\u003e\u003cb\u003eThe heat diverter is in the carton on every DROP size, not just the 9 kW.\u003c\/b\u003e It protects the wall behind the heater and the corner of the ceiling. That changed with HUUM's April 2026 manual, and several dealer listings still show the old arrangement.\u003c\/p\u003e\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrop7-tinted\" id=\"parts\"\u003e\n  \u003cdiv class=\"hdrop7-c\"\u003e\n    \u003cp class=\"hdrop7-eyebrow\"\u003eThe whole order\u003c\/p\u003e\n    \u003ch2\u003eWhat a working DROP 7 takes, beyond the heater\u003c\/h2\u003e\n    \u003cp class=\"hdrop7-lead\"\u003eA sauna heater is three purchases, and the other two are easy to miss. Nothing here is padding: the heater will not run without them.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop7-tw\"\u003e\u003ctable class=\"hdrop7-spec\"\u003e\n      \u003ccaption\u003eRequired to operate\u003c\/caption\u003e\n      \u003ctr class=\"hdrop7-hl\"\u003e\n\u003cth\u003eThe heater\u003c\/th\u003e\n\u003ctd\u003eThis page. Ships by parcel carrier.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eA certified control\u003c\/th\u003e\n\u003ctd\u003eThe control unit goes outside the hot room, and a heater in a public sauna has to have a timer. HUUM's matched control is the UKU, and it is the controller the heater was certified with: the \u003ca href=\"\/products\/huum-uku-local-sauna-heater-control\"\u003eHUUM UKU Local control\u003c\/a\u003e or the \u003ca href=\"\/products\/huum-uku-wifi-sauna-heater-control\"\u003eHUUM UKU Wi-Fi control\u003c\/a\u003e.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003e4 boxes of stone\u003c\/th\u003e\n\u003ctd\u003eAbout 121.3 lb (55 kg), 2 to 4 inches (5 to 10 cm). \u003ca href=\"\/products\/huum-sauna-stones-5-10-cm\"\u003eHUUM olivine diabase sauna stones\u003c\/a\u003e come in 33 pound boxes.\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\u003c\/div\u003e\n    \u003ch3\u003eA guard is a code item, not an upsell\u003c\/h3\u003e\n    \u003cp\u003eThe International Residential Code asks for sauna heaters to be protected from accidental contact by a guard made of a material with low thermal conductivity, such as wood, without blocking the heat. You can build one or use the \u003ca href=\"\/products\/huum-drop-safety-rail\"\u003eDROP safety rail\u003c\/a\u003e. HUUM adds that when the railing is a flammable material such as wood, the heater's minimum clearances still have to be kept to the railing itself. Check what your local code has adopted.\u003c\/p\u003e\n    \u003ch3\u003eOptional\u003c\/h3\u003e\n    \u003cp\u003eA \u003ca href=\"\/products\/huum-drop-drip-tray\"\u003edrip tray\u003c\/a\u003e protects the floor under the heater from stone dust and splash. The \u003ca href=\"\/products\/huum-drop-embedding-flange\"\u003eembedding flange\u003c\/a\u003e is only needed if the heater is sunk into a bench.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop7-warn\"\u003e\u003cp\u003eBuying the heater, the control and the stone together settles the order in one go: our \u003ca href=\"\/products\/huum-drop-7-sauna-heater-package\"\u003eHUUM DROP 7 sauna heater package\u003c\/a\u003e is exactly that, priced at the parts added together. Or call and we will price the heater, control and stone together.\u003c\/p\u003e\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"electrical\"\u003e\n  \u003cdiv class=\"hdrop7-c\"\u003e\n    \u003cp class=\"hdrop7-eyebrow\"\u003eElectrical\u003c\/p\u003e\n    \u003ch2\u003eThe breaker and wire size the HUUM DROP 7 needs\u003c\/h2\u003e\n    \u003cp class=\"hdrop7-lead\"\u003eSettle this before you buy, because it is the line item that surprises people. The heater is hardwired by a licensed electrician.\u003c\/p\u003e\n    \u003cp\u003eThe figures below are HUUM's, from its US manual. They are the manufacturer's minimum, not a design for your house: sauna heating is a continuous load, so the National Electrical Code can require a larger breaker and heavier conductors than the manual's figure, and local amendments differ. Your electrician sizes the circuit. On this model HUUM's breaker figure is below what the Code's continuous-load rule gives for its rated current, so your electrician and inspector decide the breaker and cable, and they may be larger than HUUM's figure.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop7-tw\"\u003e\u003ctable class=\"hdrop7-ladder hdrop7-rooms\"\u003e\n      \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSupply\u003c\/th\u003e\n\u003cth\u003eWhat HUUM specifies\u003c\/th\u003e\n\u003cth\u003eRated room\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr class=\"hdrop7-on\"\u003e\n\u003ctd class=\"hdrop7-kw\"\u003e240 V\u003cspan class=\"hdrop7-tag\"\u003eMost homes\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e7.5 kW, 31.25 A, 40 A breaker, 8 AWG minimum cable\u003c\/td\u003e\n\u003ctd\u003e248 to 389 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd class=\"hdrop7-kw\"\u003e208 V\u003c\/td\u003e\n\u003ctd\u003e5.6 kW, 26.92 A, 30 A breaker, 8 AWG minimum cable\u003c\/td\u003e\n\u003ctd\u003e177 to 301 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\u003c\/div\u003e\n    \u003ch3\u003eWhat the manual requires\u003c\/h3\u003e\n    \u003cp\u003eThe supply cable has to meet UL 62 in the United States or CSA 49 in Canada. Crimping the cable ends is mandatory, cable with non heat resistant PVC insulation is not allowed, and any junction box inside the sauna must be waterproof and no higher than 19 11\/16 inches off the floor.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop7-warn\"\u003e\u003cp\u003e\u003cb\u003eHUUM recommends connecting the heater without a GFCI breaker.\u003c\/b\u003e Its manual says it is recommended to connect the unit to the mains without one. Whether you can follow that depends on where the sauna goes and which edition of the electrical code your area has adopted: an outdoor sauna at a home may fall inside the Code's ground fault requirement for outdoor outlets at these ratings, depending on the edition adopted and how your inspector reads it, while an indoor hardwired heater usually is not caught. Where the manual and the adopted code disagree, the code and your inspector decide. Settle it with your electrician at the rough-in, and ask about nuisance tripping while you are there.\u003c\/p\u003e\u003c\/div\u003e\n    \u003ch3\u003eWhy it is listed, and why that matters\u003c\/h3\u003e\n    \u003cp\u003eIt is listed by SGS, not by UL. SGS North America is on OSHA's list of nationally recognized testing laboratories, and it lists the DROP 7 for the United States and Canada under certificate SGSNA\/20\/SUW\/00067X, to UL 60335-1, CAN\/CSA C22.2 No. 60335-1, CAN\/CSA E60335-2-53 and IEC 60335-2-53. SGS records that listing at 240 V. HUUM's current US manual also publishes 208 V ratings for this heater, so on a 208 V supply confirm acceptance with your local inspector before you wire it. The listing applies on the conditions SGS records against it: the heater is used with sauna stones, run from an approved sauna heater controller (the listing was evaluated with the UKU), supplied by conductors rated to at least 90 degrees C, and carries the warning tag on the bottom rung of the frame. Inspectors differ on what they ask to see for a sauna heater, so check with yours before you buy. We can send you the certificate.\u003c\/p\u003e\n  \u003ch3\u003eWhy this page quotes two voltages\u003c\/h3\u003e\n\u003cp\u003eThere is nothing to pick here, and nothing on this page selects it. Almost every US home is supplied at 240 volts, while many commercial buildings and some apartment blocks are supplied at 208. It is the same heater either way, wired the same way: on 208 volts it draws less and makes less heat, so HUUM publishes a separate output and a smaller room range for it, which is why the rows under the Add to Cart button and the table below both give two. Your electrician reads the panel and tells you which row applies. Either way it is hardwired into the circuit, not plugged into an outlet.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrop7-tinted\" id=\"install\"\u003e\n  \u003cdiv class=\"hdrop7-c\"\u003e\n    \u003cp class=\"hdrop7-eyebrow\"\u003eClearances\u003c\/p\u003e\n    \u003ch2\u003eWhere the HUUM DROP 7 can go\u003c\/h2\u003e\n    \u003cp class=\"hdrop7-lead\"\u003eA wall mounted sauna heater still has clearances, and every DROP size has its own set, because a hotter heater needs more room around it. These are this model's figures, and they assume the stone bed is properly filled.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop7-tw\"\u003e\u003ctable class=\"hdrop7-spec\"\u003e\n      \u003ccaption\u003eMinimum distances, DROP 7\u003c\/caption\u003e\n      \u003ctr\u003e\n\u003cth\u003eTo the side wall\u003c\/th\u003e\n\u003ctd\u003e5.5 in\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eAbove the heater, to the ceiling\u003c\/th\u003e\n\u003ctd\u003e47.25 in\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eBelow the heater, to the floor\u003c\/th\u003e\n\u003ctd\u003e3 15\/16 in (100 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eBody size\u003c\/th\u003e\n\u003ctd\u003e15.4 in W x 13.2 in D x 23.2 in H\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eWeight on the wall\u003c\/th\u003e\n\u003ctd\u003e26.5 lb empty. HUUM gives 143.3 lb for a DROP with its stone in.\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\u003c\/div\u003e\n    \u003cp\u003eHUUM's Table 1 carries further setting-out dimensions that only make sense against the manual's own drawing, which we can send before you order.\u003c\/p\u003e\n    \u003cp\u003eThe frame carries the whole loaded weight, so check what is in that stud bay before the lining boards go on, and run the cable at the same time.\u003c\/p\u003e\n    \u003cp\u003eThe room itself has to be built for a sauna, with an insulated shell, a vapor barrier and supply and exhaust vents. Our \u003ca href=\"\/collections\/traditional-saunas\"\u003etraditional sauna rooms\u003c\/a\u003e arrive built that way.\u003c\/p\u003e\n  \u003cfigure\u003e\u003cdiv class=\"hdrop7-fig\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-drop-7-in_sauna.jpg?width=1200\" alt=\"HUUM DROP in a sauna with the HUUM DROP safety rail (sold separately) fitted\" width=\"2048\" height=\"2048\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003cfigcaption\u003eIn a finished sauna, with the clearances this page lists.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"stones\"\u003e\n  \u003cdiv class=\"hdrop7-c\"\u003e\n    \u003cp class=\"hdrop7-eyebrow\"\u003eStone\u003c\/p\u003e\n    \u003ch2\u003eHow much stone the DROP 7 takes, and how to lay it\u003c\/h2\u003e\n    \u003cp class=\"hdrop7-lead\"\u003eThe stone is not a finishing touch. It is the thermal mass that turns 7.5 kW into steam, and the heater may not be switched on without it.\u003c\/p\u003e\n    \u003cp\u003eThis heater holds \u003cstrong\u003eabout 121.3 lb (55 kg)\u003c\/strong\u003e, which is \u003cstrong\u003e4 boxes\u003c\/strong\u003e of HUUM stone. HUUM asks for natural stone 2 to 4 inches (5 to 10 cm) across, and supplies olivine diabase in 33 pound boxes. Decorative stone is not a substitute: it stores little heat, breaks up, and the pieces block the airflow the elements depend on.\u003c\/p\u003e\n    \u003ch3\u003eLaying it\u003c\/h3\u003e\n    \u003cp\u003eHUUM films the job for the DROP; ask us and we will send you the link to its stone placement film.\u003c\/p\u003e\n    \u003cp\u003eWash the stone first. Lay it piece by piece rather than pouring it in, biggest at the bottom and the sides, smaller pieces wedging them in place. Pack the outer face tightly enough that no element shows through, but leave air paths inside. Keep the retainer clear.\u003c\/p\u003e\n    \u003cp\u003eThis size carries five elements and a retainer. HUUM's manual says to keep stone out from under the retainer, and to fill between and around the elements instead.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop7-warn\"\u003e\u003cp\u003e\u003cb\u003eA sparsely filled stone bed is a fire hazard.\u003c\/b\u003e The clearances on this page assume the elements are covered by stone. Damage caused by unsuitable stone is not covered by HUUM's warranty.\u003c\/p\u003e\u003c\/div\u003e\n    \u003cp\u003eFour boxes, the same as the smaller DROPs, but laid around five elements instead of three. Keep the stone clear of the retainer and pack the outer face so no element is visible.\u003c\/p\u003e\n    \u003ch3\u003eHUUM's own warnings\u003c\/h3\u003e\n    \u003cp\u003eWorth reading before the first session, in HUUM's words: the heater may be used only when it has been correctly filled with stones; do not cover it, because that causes a fire hazard; do not touch a working heater, because it causes burns; never make steam with a water hose; use fragrances and oils only in the steam water, because poured onto the stones undiluted they can catch fire; sauna doors should always open outward; never ladle water while someone is close to the heater, because the steam can burn; and do not leave small children in the sauna unattended. HUUM adds that sudden cooling after a sauna is not recommended for people in poor health, who should ask a doctor first.\u003c\/p\u003e\n    \u003ch3\u003eLooking after it\u003c\/h3\u003e\n    \u003cp\u003eHUUM asks for a visual check after about 100 hours of use or at least once a year, a rearrange and replacement of any cracked pieces at about 200 hours, and all of it replaced at about 400 hours. Stone crumbles as it cycles, and the dust is what eventually blocks the airflow.\u003c\/p\u003e\n  \u003cfigure\u003e\u003cdiv class=\"hdrop7-fig\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-drop-7-stones_detail.jpg?width=1200\" alt=\"Stones and steam on the HUUM DROP sauna heater\" width=\"2048\" height=\"2048\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003cfigcaption\u003eThe stone bed, filled as the manual asks.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrop7-tinted\" id=\"costs\"\u003e\n  \u003cdiv class=\"hdrop7-c\"\u003e\n    \u003cp class=\"hdrop7-eyebrow\"\u003eRunning cost\u003c\/p\u003e\n    \u003ch2\u003eWhat the DROP 7 costs to run\u003c\/h2\u003e\n    \u003cp class=\"hdrop7-lead\"\u003eA sauna heater draws its full rated power while it heats, then cycles on the thermostat to hold temperature. That makes the ceiling easy to calculate and the real figure lower.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop7-tw\"\u003e\u003ctable class=\"hdrop7-spec\"\u003e\n      \u003ccaption\u003eAt the US average residential price of 18.3 cents a kilowatt hour (EIA, June 2026)\u003c\/caption\u003e\n      \u003ctr\u003e\n\u003cth\u003eFull output, one hour\u003c\/th\u003e\n\u003ctd\u003e7.5 kW x 0.183 = about 1.37 dollars\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eThree hours at full draw, heat up and a session\u003c\/th\u003e\n\u003ctd\u003eabout 4.12 dollars\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eThree of those a week\u003c\/th\u003e\n\u003ctd\u003eabout 12 dollars a week\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\u003c\/div\u003e\n    \u003cp\u003eThose are ceilings, not averages: once the room is at temperature the heater is off more than it is on, so the real bill lands under them. Your own rate is on your utility bill and varies widely by state.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop7-warn\"\u003e\u003cp\u003e\u003cb\u003eInsulation controls this number, not the heater.\u003c\/b\u003e A sauna that leaks heat runs the elements continuously, which costs more and wears them out sooner.\u003c\/p\u003e\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"crate\"\u003e\n  \u003cdiv class=\"hdrop7-c\"\u003e\n    \u003cp class=\"hdrop7-eyebrow\"\u003eWhat you get\u003c\/p\u003e\n    \u003ch2\u003eIn the DROP 7 carton\u003c\/h2\u003e\n    \u003cdiv class=\"hdrop7-pairup\"\u003e\n      \u003cdiv\u003e\n        \u003cul class=\"hdrop7-chk\"\u003e\n\u003cli\u003eElectric heater\u003c\/li\u003e\n\u003cli\u003eHeater mounting plate\u003c\/li\u003e\n\u003cli\u003eReflector\u003c\/li\u003e\n\u003cli\u003eHeating element spacers\u003c\/li\u003e\n\u003cli\u003eHeating element retainer\u003c\/li\u003e\n\u003cli\u003eHeat diverter with fastenings\u003c\/li\u003e\n\u003cli\u003eInstallation and operation manual\u003c\/li\u003e\n\u003c\/ul\u003e\n      \u003c\/div\u003e\n      \u003cdiv\u003e\n        \u003ch3\u003eNot included\u003c\/h3\u003e\n        \u003cp\u003eThe control, the stone, and the electrical work. The control and 4 boxes of stone are required to operate the heater; the rail, drip tray and embedding flange are optional.\u003c\/p\u003e\n        \u003ch3\u003eLead time\u003c\/h3\u003e\n        \u003cp\u003eDelivery estimates are shown on this page and at checkout. If you need a date before you commit, call us and we will confirm the current position with the distributor.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrop7-tinted\" id=\"specs\"\u003e\n  \u003cdiv class=\"hdrop7-c\"\u003e\n    \u003cp class=\"hdrop7-eyebrow\"\u003eReference\u003c\/p\u003e\n    \u003ch2\u003eHUUM DROP 7 specifications\u003c\/h2\u003e\n    \u003cdetails class=\"hdrop7-more\" open\u003e\n      \u003csummary\u003eFull specification tables\u003c\/summary\u003e\n      \u003cdiv class=\"hdrop7-tw\"\u003e\u003ctable class=\"hdrop7-spec\"\u003e\n\u003ccaption\u003eFrom the DROP 2.0 User Manual US v8 (April 2026), Tables 1 to 3\u003c\/caption\u003e\n\u003ctr\u003e\n\u003cth\u003eHeater output\u003c\/th\u003e\n\u003ctd\u003e7.5 kW at 240 V, 5.6 kW at 208 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRoom volume\u003c\/th\u003e\n\u003ctd\u003e248 to 389 adjusted cu. ft. at 240 V, 177 to 301 cu. ft. at 208 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMinimum room height\u003c\/th\u003e\n\u003ctd\u003e75 in (1900 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRated current\u003c\/th\u003e\n\u003ctd\u003e31.25 A at 240 V, 26.92 A at 208 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCircuit breaker\u003c\/th\u003e\n\u003ctd\u003e40 A at 240 V, 30 A at 208 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMinimum supply cable\u003c\/th\u003e\n\u003ctd\u003e8 AWG at 240 V, 8 AWG at 208 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeating elements\u003c\/th\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStone capacity\u003c\/th\u003e\n\u003ctd\u003eAbout 121.3 lb (55 kg), 4 boxes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStone size\u003c\/th\u003e\n\u003ctd\u003e2 to 4 in (5 to 10 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBody size\u003c\/th\u003e\n\u003ctd\u003e15.4 in W x 13.2 in D x 23.2 in H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight with stone\u003c\/th\u003e\n\u003ctd\u003e143.3 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eClearance to the side wall\u003c\/th\u003e\n\u003ctd\u003e5.5 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eClearance above the heater\u003c\/th\u003e\n\u003ctd\u003e47.25 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting\u003c\/th\u003e\n\u003ctd\u003eWall mounted on the supplied frame\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eControl\u003c\/th\u003e\n\u003ctd\u003eSeparate certified control required, sold separately\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n      \u003cdiv class=\"hdrop7-tw\"\u003e\u003ctable class=\"hdrop7-spec\"\u003e\n\u003ccaption\u003ePart number, certification and warranty\u003c\/caption\u003e\n\u003ctr\u003e\n\u003cth\u003ePart number\u003c\/th\u003e\n\u003ctd\u003eH1001082\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeater weight, empty\u003c\/th\u003e\n\u003ctd\u003e26.5 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupply\u003c\/th\u003e\n\u003ctd\u003eSingle phase, 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCertification\u003c\/th\u003e\n\u003ctd\u003eSGS Listed for North America (SGSNA\/20\/SUW\/00067X)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003eHUUM limited warranty, 3 years for private use and 1 year for commercial use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"compare\"\u003e\n  \u003cdiv class=\"hdrop7-c\"\u003e\n    \u003cp class=\"hdrop7-eyebrow\"\u003eThe range\u003c\/p\u003e\n    \u003ch2\u003eHUUM DROP 7 against the rest of the DROP range\u003c\/h2\u003e\n    \u003cp class=\"hdrop7-lead\"\u003eAll four take the same wall frame, the same stone load and the same controls. The choice is room volume and the circuit you can supply. Every figure below is HUUM's own, from its US manual, and the breaker column is the manufacturer's minimum rather than a design for your house.\u003c\/p\u003e\n    \u003cp\u003eScroll the table sideways to see every model.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop7-tw hdrop7-tw--scroll\"\u003e\u003ctable class=\"hdrop7-cmp\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/huum-drop-4-electric-sauna-heater\"\u003e\u003cspan class=\"hdrop7-cmp-h\"\u003eHUUM\u003c\/span\u003e\u003cspan class=\"hdrop7-cmp-m\"\u003eDROP 4\u003c\/span\u003e\u003cspan class=\"hdrop7-cmp-here\"\u003e4.5 kW, 106 to 248 cu. ft.\u003c\/span\u003e\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/huum-drop-6-electric-sauna-heater\"\u003e\u003cspan class=\"hdrop7-cmp-h\"\u003eHUUM\u003c\/span\u003e\u003cspan class=\"hdrop7-cmp-m\"\u003eDROP 6\u003c\/span\u003e\u003cspan class=\"hdrop7-cmp-here\"\u003e6 kW, 177 to 318 cu. ft.\u003c\/span\u003e\u003c\/a\u003e\u003c\/th\u003e\n\u003cth class=\"hdrop7-me\"\u003e\n\u003cspan class=\"hdrop7-cmp-h\"\u003eHUUM\u003c\/span\u003e\u003cspan class=\"hdrop7-cmp-m\"\u003eDROP 7\u003c\/span\u003e\u003cspan class=\"hdrop7-cmp-here\"\u003eYou are here\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/huum-drop-9-electric-sauna-heater\"\u003e\u003cspan class=\"hdrop7-cmp-h\"\u003eHUUM\u003c\/span\u003e\u003cspan class=\"hdrop7-cmp-m\"\u003eDROP 9\u003c\/span\u003e\u003cspan class=\"hdrop7-cmp-here\"\u003e9 kW, 283 to 460 cu. ft.\u003c\/span\u003e\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput at 240 V\u003c\/td\u003e\n\u003ctd\u003e4.5 kW\u003c\/td\u003e\n\u003ctd\u003e6 kW\u003c\/td\u003e\n\u003ctd class=\"hdrop7-me\"\u003e7.5 kW\u003c\/td\u003e\n\u003ctd\u003e9 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated room\u003c\/td\u003e\n\u003ctd\u003e106 to 248 cu. ft.\u003c\/td\u003e\n\u003ctd\u003e177 to 318 cu. ft.\u003c\/td\u003e\n\u003ctd class=\"hdrop7-me\"\u003e248 to 389 cu. ft.\u003c\/td\u003e\n\u003ctd\u003e283 to 460 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003e18.75 A\u003c\/td\u003e\n\u003ctd\u003e25 A\u003c\/td\u003e\n\u003ctd class=\"hdrop7-me\"\u003e31.25 A\u003c\/td\u003e\n\u003ctd\u003e37.5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBreaker\u003c\/td\u003e\n\u003ctd\u003e30 A\u003c\/td\u003e\n\u003ctd\u003e30 A\u003c\/td\u003e\n\u003ctd class=\"hdrop7-me\"\u003e40 A\u003c\/td\u003e\n\u003ctd\u003e50 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum cable\u003c\/td\u003e\n\u003ctd\u003e10 AWG\u003c\/td\u003e\n\u003ctd\u003e10 AWG\u003c\/td\u003e\n\u003ctd class=\"hdrop7-me\"\u003e8 AWG\u003c\/td\u003e\n\u003ctd\u003e8 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElements\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd class=\"hdrop7-me\"\u003e5\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStone\u003c\/td\u003e\n\u003ctd\u003e4 boxes\u003c\/td\u003e\n\u003ctd\u003e4 boxes\u003c\/td\u003e\n\u003ctd class=\"hdrop7-me\"\u003e4 boxes\u003c\/td\u003e\n\u003ctd\u003e4 boxes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n    \u003ch3\u003eWhen a DROP is the wrong heater\u003c\/h3\u003e\n    \u003cp\u003eThe DROP tops out at 9 kW and hangs on a wall. For a room above 460 cubic feet, or a commercial room that reheats group after group, a STEEL at about 330 pounds of stone, or a HIVE at 528, holds temperature better. Compare the whole range on our \u003ca href=\"\/collections\/electric-sauna-heaters\"\u003eelectric sauna heaters\u003c\/a\u003e page, browse every \u003ca href=\"\/collections\/sauna-heaters\"\u003esauna heater\u003c\/a\u003e we carry, or see every model in our \u003ca href=\"\/collections\/huum\"\u003eHUUM sauna heaters\u003c\/a\u003e collection.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"faq\"\u003e\n  \u003cdiv class=\"hdrop7-c\"\u003e\n    \u003cp class=\"hdrop7-eyebrow\"\u003eBuyer questions\u003c\/p\u003e\n    \u003ch2\u003eHUUM DROP 7 questions buyers ask before ordering\u003c\/h2\u003e\n    \u003cdiv class=\"hdrop7-faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat size sauna will the HUUM DROP 7 heat?\u003c\/summary\u003e\u003cdiv class=\"hdrop7-fb\"\u003e\u003cp\u003eHUUM rates it for 248 to 389 cubic feet on 240 volts, or 177 to 301 cubic feet on 208 volts. Measure length by width by height in feet, then add 3.3 cubic feet for every square foot of uninsulated glass, brick or tile. HUUM does not say whether a glass door counts, so counting it is the cautious choice, and size from that number.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDoes the HUUM DROP 7 come with a control?\u003c\/summary\u003e\u003cdiv class=\"hdrop7-fb\"\u003e\u003cp\u003eNo. Every HUUM heater needs a separate certified control, bought separately. The control unit goes outside the hot room, its own manual sets out which panel finishes may be mounted inside, and a heater in a public sauna has to have a timer. HUUM's matched control is the UKU, the controller this heater was certified with, in Local or Wi-Fi form.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow many boxes of stone does the HUUM DROP 7 need?\u003c\/summary\u003e\u003cdiv class=\"hdrop7-fb\"\u003e\u003cp\u003e4 boxes. The heater holds about 121.3 lb (55 kg) and HUUM asks for natural stone 2 to 4 inches across. HUUM's own stone is olivine diabase in 33 pound boxes. The heater may not be run before it is properly filled.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat breaker and wire does the HUUM DROP 7 need?\u003c\/summary\u003e\u003cdiv class=\"hdrop7-fb\"\u003e\u003cp\u003eOn 240 volts it draws 31.25 A and HUUM specifies a 40 A breaker with 8 AWG cable. On 208 volts it is 26.92 A, a 30 A breaker and 8 AWG. The cable must meet UL 62 in the United States or CSA 49 in Canada, and your electrician sizes the install to the National Electrical Code and to local amendments. On this model HUUM's breaker figure is below what the Code's continuous-load rule gives for its rated current, so your electrician and inspector decide the breaker and cable, and they may be larger than HUUM's figure.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eIs the HUUM DROP 7 UL listed?\u003c\/summary\u003e\u003cdiv class=\"hdrop7-fb\"\u003e\u003cp\u003eListed, but by SGS rather than UL. SGS North America is on OSHA's list of nationally recognized testing laboratories, and its certificate SGSNA\/20\/SUW\/00067X covers this heater for the United States and Canada. SGS records conditions against that listing, and they are set out in full in the listing section above.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eCan I install the HUUM DROP 7 myself?\u003c\/summary\u003e\u003cdiv class=\"hdrop7-fb\"\u003e\u003cp\u003eNot if you want the warranty. HUUM's warranty requires the heater to be installed and connected by a licensed electrician, with proof presented to HUUM. The heater is hardwired, crimped cable ends are mandatory and the manual forbids cable with non heat resistant PVC insulation. Keep the electrician's invoice.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDoes the HUUM DROP 7 need a GFCI breaker?\u003c\/summary\u003e\u003cdiv class=\"hdrop7-fb\"\u003e\u003cp\u003eHUUM's manual says it is recommended to connect the heater without one. Whether you can follow that depends on where the sauna goes and which edition of the electrical code your area has adopted. An outdoor sauna at a home may fall inside the Code's ground fault requirement for outdoor outlets at these ratings, depending on the edition adopted and how your inspector reads it, while an indoor hardwired heater usually is not caught. Where the manual and the adopted code disagree, the code and your inspector decide, so settle it with your electrician before the rough-in.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDoes the HUUM DROP 7 need a UKU extension box?\u003c\/summary\u003e\u003cdiv class=\"hdrop7-fb\"\u003e\u003cp\u003eNo. The extension box is for HUUM heaters above 11 kW, which means the HIVE 12, 15 and 18. Every DROP runs from the UKU's main module on its own. Dealer listings quote several different thresholds for the box, which is where the confusion comes from.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow long does the HUUM DROP 7 take to heat a sauna?\u003c\/summary\u003e\u003cdiv class=\"hdrop7-fb\"\u003e\u003cp\u003eHUUM's manual says about an hour in a properly insulated room with a correctly sized heater, with the stone reaching throwing temperature at about the same time as the air. A leaky room or an undersized heater takes longer and costs more to run.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat warranty comes with the HUUM DROP 7?\u003c\/summary\u003e\u003cdiv class=\"hdrop7-fb\"\u003e\u003cp\u003eHUUM warrants its electric heaters, wood stoves and controls for 3 years in a private sauna and 1 year in a commercial one, from the date of purchase, with spare parts covered for 1 year. Heating elements, controller sensors, stones, HUUM accessories, and wood stove door glass and ash grates are excluded, and so is damage from unsuitable stones or from a heater sized wrong for the room. HUUM counts it as commercial use if a registered business uses the product commercially, if a private user uses it commercially, or if a private user runs it for more than 1,500 hours in a 12 month period. For the warranty to apply, the heater has to be installed and connected by a licensed electrician with proof presented to HUUM, installed and operated to HUUM's manual and to local building, electrical and fire codes, and installed complete. Damage found on delivery has to be reported to us within 48 hours of delivery, with photographs and before the heater is installed; that is our window, and because it is shorter than HUUM's 7 days, it is the one that applies to the HUUM warranty. Any defect has to be reported within 30 days of discovering it. Because elements are excluded, we stock them as \u003ca href=\"\/products\/huum-drop-heating-element\"\u003ereplacement parts\u003c\/a\u003e.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003cdiv class=\"hdrop7-close\" id=\"order\"\u003e\n\u003cdiv class=\"hdrop7-c\"\u003e\n\u003cp class=\"hdrop7-eyebrow\" style=\"color:#E8A33D\"\u003eOne last thing\u003c\/p\u003e\n\u003ch2\u003eNot sure the DROP 7 is the right output?\u003c\/h2\u003e\n\u003cp\u003eTell us the room size and how the walls are built, and we will size it with you before you order. The stone and the UKU control sit on this page, above Add to Cart, so the whole order goes in together. If you would rather take it in one line, we build the same parts as a \u003ca href=\"\/collections\/sauna-heater-packages\"\u003esauna heater package\u003c\/a\u003e.\u003c\/p\u003e\n\u003cdiv class=\"hdrop7-who\"\u003e\n\u003cimg class=\"hdrop7-av\" src=\"https:\/\/recoveryroomdirect.com\/cdn\/shop\/files\/recovery_room_direct_specialist_customer_service.png?v=178611576\u0026amp;width=128\" alt=\"Chaddy, sauna specialist at Recovery Room Direct\" width=\"52\" height=\"52\" loading=\"lazy\"\u003e\n\u003cp\u003e\u003cb\u003eChaddy\u003c\/b\u003e\u003cspan\u003eSauna specialist, Recovery Room Direct\u003c\/span\u003e\u003cspan\u003eMonday to Saturday, 9AM to 6PM ET\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ca class=\"hdrop7-btn\" href=\"tel:+18885005675\"\u003eCall (888) 500-5675\u003c\/a\u003e\n\u003ca class=\"hdrop7-up\" href=\"#MainContent\"\u003eReady to order? Scroll up to the buy box\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HUUM","offers":[{"title":"Default Title","offer_id":53514268017007,"sku":"H1001082","price":1672.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-drop-7-electric-sauna-heater-installed-crop.jpg?v=1791437369"},{"product_id":"huum-drop-9-electric-sauna-heater","title":"HUUM DROP 9 Electric Sauna Heater, 9 kW","description":"\u003cstyle\u003e.hdrop9{--ink:#1A1410;--body:#463C33;--mut:#54493D;--accent:#96620A;--bright:#E8A33D;--dark:#171310;--sub:#54493D;--tint:#F7F1E6;--fill:#F0E9DB;--hl:#F6E7CB;--line:#DCCFB4;--warm:#DCCFB4;--edge:#CBBBA0;--rule:#DCCFB4;--r-lg:10px;--r-sm:10px;--r-xs:999px;--gut:20px;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:var(--body);line-height:1.65;letter-spacing:normal;-webkit-font-smoothing:antialiased;background:#fff}.hdrop9 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th{border-bottom:0;padding-bottom:0}}.hdrop9 .hdrop9-vid .video-wrapper{position:absolute !important;inset:0;width:100%;height:100%;padding:0 !important;margin:0}.hdrop9 .hdrop9-vid video{position:absolute;inset:0;width:100%;height:100%;display:block;border:0;background:var(--dark);object-fit:cover}.hdrop9 .hdrop9-vid video:focus-visible{outline:3px solid var(--bright);outline-offset:-3px}.hdrop9 .hdrop9-fig{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--edge);background:#fff}.hdrop9 .hdrop9-fig img{width:100%;height:auto;display:block;border:0;border-radius:0;box-shadow:none;mix-blend-mode:multiply}.hdrop9 .hdrop9-c\u003efigure{max-width:560px;margin-left:auto;margin-right:auto}.hdrop9 .hdrop9-close p.hdrop9-eyebrow{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;line-height:1.5}.hdrop9 .hdrop9-stat3 a{color:var(--bright)}.hdrop9 .hdrop9-faq summary h3{margin:0;font-size:inherit;font-weight:inherit;line-height:inherit;display:inline}.hdrop9 .hdrop9-cmp thead a .hdrop9-cmp-here{color:var(--sub);font-weight:600;letter-spacing:.02em;text-transform:none}@media screen and (max-width:560px){.hdrop9 .hdrop9-ladder.hdrop9-rooms td:last-child::before{content:\"Rated room:\\00a0\"}.hdrop9 .hdrop9-ladder.hdrop9-out td:last-child::before{content:\"Output:\\00a0\"}}.hdrop9 .hdrop9-tw + p,.hdrop9 .hdrop9-tw + h3,.hdrop9 .hdrop9-warn + p,.hdrop9 .hdrop9-warn + h3,.hdrop9 .hdrop9-more + p{margin-top:24px}\u003c\/style\u003e\n\u003cdiv class=\"hdrop9\"\u003e\n\u003csection id=\"overview\"\u003e\n  \u003cdiv class=\"hdrop9-c\"\u003e\n    \u003cdetails class=\"hdrop9-disc\"\u003e\u003csummary\u003eJump to\u003cspan class=\"hdrop9-ct\"\u003e9 sections\u003c\/span\u003e\u003c\/summary\u003e\u003col\u003e\n\u003cli\u003e\u003ca href=\"#overview\"\u003eOverview\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#video\"\u003eVideo\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#fit\"\u003eWill it fit\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#parts\"\u003eWhat you need\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#electrical\"\u003eBreaker and wire\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#stones\"\u003eStone\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#compare\"\u003eHow it compares\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#faq\"\u003eQuestions\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#order\"\u003eOrder\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\u003c\/details\u003e\n    \u003cp class=\"hdrop9-eyebrow\"\u003eThe largest DROP\u003c\/p\u003e\n    \u003ch2\u003eThe HUUM DROP 9 is a 9 kW wall mounted electric sauna heater for rooms of 283 to 460 cubic feet\u003c\/h2\u003e\n    \u003cp class=\"hdrop9-lead\"\u003eNine kilowatts, for rooms from 283 to 460 cubic feet. It is the top of the DROP range, and the point where the panel rather than the room usually decides.\u003c\/p\u003e\n    \u003cp\u003eThe DROP hangs on the wall as an upright open cradle of stone. The 5 elements run through the stone rather than behind a panel, so the stone is the thing you see, and HUUM rates this size for 283 to 460 cubic feet at 240 volts.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop9-stat3\"\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"hdrop9-lbl\"\u003eThe room\u003c\/p\u003e\n        \u003cp class=\"hdrop9-big\"\u003e283 to 460 cu. ft.\u003c\/p\u003e\n        \u003cp\u003eLength by width by height, in feet. Add 3.3 cubic feet for every square foot of uninsulated glass, tile or brick. HUUM does not say whether a glass door counts, so counting it is the cautious choice, then size from the adjusted number.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"hdrop9-lbl\"\u003eRated current\u003c\/p\u003e\n        \u003cp class=\"hdrop9-big\"\u003e37.5 A at 240 V\u003c\/p\u003e\n        \u003cp\u003eHUUM's manual calls for a 50 A breaker and 8 AWG cable. Worth confirming your panel can carry it before you order. It is hardwired by a licensed electrician, who sizes the circuit to the National Electrical Code. On this model HUUM's breaker figure is below what the Code's continuous-load rule gives for its rated current, so your electrician and inspector decide the breaker and cable, and they may be larger than HUUM's figure.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"hdrop9-lbl\"\u003eThe rest of the order\u003c\/p\u003e\n        \u003cp class=\"hdrop9-big\"\u003eControl and 4 boxes of stone\u003c\/p\u003e\n        \u003cp\u003eNeither is in the carton, and neither needs a second order: open \u003cstrong\u003eComplete your heater\u003c\/strong\u003e just above the Add to Cart button and both travel on this one. A \u003ca href=\"\/products\/huum-uku-wifi-sauna-heater-control\"\u003eHUUM UKU control\u003c\/a\u003e runs the heater from outside the room, and this heater holds about 121.3 lb (55 kg) of \u003ca href=\"\/products\/huum-sauna-stones-5-10-cm\"\u003esauna stone\u003c\/a\u003e.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection id=\"video\"\u003e\n    \u003cp class=\"hdrop9-eyebrow\"\u003eWatch\u003c\/p\u003e\n    \u003cdiv class=\"hdrop9-vidrow\"\u003e\n    \u003cdiv class=\"hdrop9-vid\"\u003e\u003ciframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/K4BQgwESR4c\" title=\"The heat diverter, fitted, HUUM\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n    \u003cdiv class=\"hdrop9-vidbody\"\u003e\n    \u003ch2\u003eThe heat diverter, fitted\u003c\/h2\u003e\n    \u003cp class=\"hdrop9-lead\"\u003eEvery DROP 2.0 ships with the heat diverter. This is how it bolts to the reflector.\u003c\/p\u003e\n    \u003cp\u003eHUUM filmed this itself. Its heater installation films are made for Europe and show European wiring, so we do not run them here: the sauna side of the job is the same, the electrical side is not.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003c\/section\u003e\n\n\n\u003csection class=\"hdrop9-tinted\" id=\"fit\"\u003e\n  \u003cdiv class=\"hdrop9-c\"\u003e\n    \u003cp class=\"hdrop9-eyebrow\"\u003eSizing\u003c\/p\u003e\n    \u003ch2\u003eWill the HUUM DROP 9 heat your sauna?\u003c\/h2\u003e\n    \u003cp class=\"hdrop9-lead\"\u003eSauna heaters are sized on room volume, not floor area. Measure the room in feet and multiply length by width by height: a 7 by 5 room with a 7 foot ceiling is 35 square feet and 245 cubic feet. Pick the heater whose published range contains that figure.\u003c\/p\u003e\n    \u003cp\u003eHUUM rates the DROP 9 for \u003cstrong\u003e283 to 460 cubic feet\u003c\/strong\u003e on a 240 volt supply.\u003c\/p\u003e\n    \u003cp\u003eCold surfaces change the answer and most buyers forget them. HUUM's manual says to add \u003cstrong\u003e3.3 cubic feet of volume for every square foot\u003c\/strong\u003e of uninsulated brick, tile or glass in the room. The result is your adjusted cubic feet, and that is the number HUUM's range refers to. A single glass door is often enough to push a borderline room up a model.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop9-tw\"\u003e\u003ctable class=\"hdrop9-ladder hdrop9-out\"\u003e\n      \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eRated room\u003c\/th\u003e\n\u003cth\u003eOutput\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n      \u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop9-kw\"\u003eDROP 4\u003c\/td\u003e\n\u003ctd\u003e106 to 248 cu. ft. at 240 V, 89 to 177 at 208 V\u003c\/td\u003e\n\u003ctd\u003e4.5 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop9-kw\"\u003eDROP 6\u003c\/td\u003e\n\u003ctd\u003e177 to 318 cu. ft. at 240 V, 142 to 248 at 208 V\u003c\/td\u003e\n\u003ctd\u003e6 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop9-kw\"\u003eDROP 7\u003c\/td\u003e\n\u003ctd\u003e248 to 389 cu. ft. at 240 V, 177 to 301 at 208 V\u003c\/td\u003e\n\u003ctd\u003e7.5 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"hdrop9-on\"\u003e\n\u003ctd class=\"hdrop9-kw\"\u003eDROP 9 \u003cspan class=\"hdrop9-tag\"\u003eThis heater\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e283 to 460 cu. ft. at 240 V, 212 to 354 at 208 V\u003c\/td\u003e\n\u003ctd\u003e9 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n    \u003c\/table\u003e\u003c\/div\u003e\n    \u003ch3\u003eA worked example for the DROP 9\u003c\/h3\u003e\n    \u003cp\u003eTake a room 9 feet by 7 feet with a 7 foot ceiling: 63 square feet and 441 cubic feet, inside this heater's 283 to 460. Add a full glass door, take 13 square feet as an example and measure your own, and the room behaves like about 484 cubic feet, which is past the top of the whole DROP range. At that point the answer is a floor standing heater, not a bigger DROP.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop9-warn\"\u003e\u003cp\u003e\u003cb\u003eThe minimum sauna room height for a DROP is 75 inches (1900 mm).\u003c\/b\u003e HUUM recommends 79 to 91 inches and asks for 44 to 51 inches between the top bench and the ceiling. HUUM advises lowering a taller ceiling into its recommended range to reduce the volume.\u003c\/p\u003e\u003c\/div\u003e\n    \u003cp\u003eNot sure which way a borderline room goes? Our \u003ca href=\"\/pages\/find-your-sauna-heater\"\u003esauna heater finder\u003c\/a\u003e walks the same arithmetic, the \u003ca href=\"\/pages\/sauna-heater-buyers-guide\"\u003esauna heater buyers guide\u003c\/a\u003e explains what the numbers mean, or call and we will do it with you.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"design\"\u003e\n  \u003cdiv class=\"hdrop9-c\"\u003e\n    \u003cp class=\"hdrop9-eyebrow\"\u003eWhat makes it a DROP\u003c\/p\u003e\n    \u003ch2\u003eWhy the DROP 9 looks like a basket of stone\u003c\/h2\u003e\n    \u003cp class=\"hdrop9-lead\"\u003eMost electric heaters hide their elements behind a steel skin and vent hot air off the top. The DROP does the opposite, and that is the whole reason to choose one.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop9-block\"\u003e\n        \u003ch3\u003eThe stone is the surface\u003c\/h3\u003e\n        \u003cp\u003eAbout 121.3 lb (55 kg) of stone sits in an open cradle with the 5 elements running through it. Ladle onto the stone, never onto the metal, and the water meets hot rock across the whole face of the heater rather than one small tray, so the steam arrives soft and even rather than sharp.\u003c\/p\u003e\n        \u003ch3\u003eIt takes no floor\u003c\/h3\u003e\n        \u003cp\u003eThe heater hangs on the frame in the box and stands 23.2 inches tall by 15.4 wide and 13.2 deep, so it uses wall rather than floor. In a small room that is usually the difference between a bench you can lie on and one you cannot.\u003c\/p\u003e\n        \u003ch3\u003eIt can be sunk into the bench\u003c\/h3\u003e\n        \u003cp\u003eWith the \u003ca href=\"\/products\/huum-drop-embedding-flange\"\u003eDROP embedding flange\u003c\/a\u003e the heater drops into a bench or the floor, as long as at least 15 inches of it stays above the surface. The flange covers the cut edges.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cfigure\u003e\u003cdiv class=\"hdrop9-fig\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-drop-9-studio.jpg?v=1790068311\u0026amp;width=1200\" alt=\"HUUM DROP wall mounted electric sauna heater filled with stones\" width=\"2048\" height=\"2048\" loading=\"eager\"\u003e\u003c\/div\u003e\n\u003cfigcaption\u003eThe DROP hangs on a wall frame and carries its stone in the open.\u003c\/figcaption\u003e\u003c\/figure\u003e\n    \u003ch3\u003eThe DROP 9 is a panel question before it is a heater question\u003c\/h3\u003e\n    \u003cp\u003eThis heater draws 37.5 amps and HUUM's manual calls for a dedicated 50 amp breaker with 8 AWG cable. In an older house with a 100 amp service and an electric range already on it, that is often the line item that decides the project. Have an electrician look at the panel before you order, not after.\u003c\/p\u003e\n\u003cp\u003eIf the panel cannot carry it, the honest answer is usually a smaller room rather than a smaller heater: a DROP 7 in a room sized for a 9 runs flat out and still disappoints. On a 208 volt supply this heater makes 6.75 kW and is rated for 212 to 354 cubic feet, so a 208 volt building sizes from that row.\u003c\/p\u003e\n\u003cp\u003eAbove 460 cubic feet the DROP range stops. A HIVE, which stands on the floor and holds 528 pounds of stone, is the better answer.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop9-warn\"\u003e\u003cp\u003e\u003cb\u003eThe heat diverter is in the carton on every DROP size, not just the 9 kW.\u003c\/b\u003e It protects the wall behind the heater and the corner of the ceiling. That changed with HUUM's April 2026 manual, and several dealer listings still show the old arrangement.\u003c\/p\u003e\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrop9-tinted\" id=\"parts\"\u003e\n  \u003cdiv class=\"hdrop9-c\"\u003e\n    \u003cp class=\"hdrop9-eyebrow\"\u003eThe whole order\u003c\/p\u003e\n    \u003ch2\u003eWhat a working DROP 9 takes, beyond the heater\u003c\/h2\u003e\n    \u003cp class=\"hdrop9-lead\"\u003eA sauna heater is three purchases, and the other two are easy to miss. Nothing here is padding: the heater will not run without them.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop9-tw\"\u003e\u003ctable class=\"hdrop9-spec\"\u003e\n      \u003ccaption\u003eRequired to operate\u003c\/caption\u003e\n      \u003ctr class=\"hdrop9-hl\"\u003e\n\u003cth\u003eThe heater\u003c\/th\u003e\n\u003ctd\u003eThis page. Ships by parcel carrier.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eA certified control\u003c\/th\u003e\n\u003ctd\u003eThe control unit goes outside the hot room, and a heater in a public sauna has to have a timer. HUUM's matched control is the UKU, and it is the controller the heater was certified with: the \u003ca href=\"\/products\/huum-uku-local-sauna-heater-control\"\u003eHUUM UKU Local control\u003c\/a\u003e or the \u003ca href=\"\/products\/huum-uku-wifi-sauna-heater-control\"\u003eHUUM UKU Wi-Fi control\u003c\/a\u003e.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003e4 boxes of stone\u003c\/th\u003e\n\u003ctd\u003eAbout 121.3 lb (55 kg), 2 to 4 inches (5 to 10 cm). \u003ca href=\"\/products\/huum-sauna-stones-5-10-cm\"\u003eHUUM olivine diabase sauna stones\u003c\/a\u003e come in 33 pound boxes.\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\u003c\/div\u003e\n    \u003ch3\u003eA guard is a code item, not an upsell\u003c\/h3\u003e\n    \u003cp\u003eThe International Residential Code asks for sauna heaters to be protected from accidental contact by a guard made of a material with low thermal conductivity, such as wood, without blocking the heat. You can build one or use the \u003ca href=\"\/products\/huum-drop-safety-rail\"\u003eDROP safety rail\u003c\/a\u003e. HUUM adds that when the railing is a flammable material such as wood, the heater's minimum clearances still have to be kept to the railing itself. Check what your local code has adopted.\u003c\/p\u003e\n    \u003ch3\u003eOptional\u003c\/h3\u003e\n    \u003cp\u003eA \u003ca href=\"\/products\/huum-drop-drip-tray\"\u003edrip tray\u003c\/a\u003e protects the floor under the heater from stone dust and splash. The \u003ca href=\"\/products\/huum-drop-embedding-flange\"\u003eembedding flange\u003c\/a\u003e is only needed if the heater is sunk into a bench.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop9-warn\"\u003e\u003cp\u003eBuying the heater, the control and the stone together settles the order in one go: our \u003ca href=\"\/products\/huum-drop-9-sauna-heater-package\"\u003eHUUM DROP 9 sauna heater package\u003c\/a\u003e is exactly that, priced at the parts added together. Or call and we will price the heater, control and stone together.\u003c\/p\u003e\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"electrical\"\u003e\n  \u003cdiv class=\"hdrop9-c\"\u003e\n    \u003cp class=\"hdrop9-eyebrow\"\u003eElectrical\u003c\/p\u003e\n    \u003ch2\u003eThe breaker and wire size the HUUM DROP 9 needs\u003c\/h2\u003e\n    \u003cp class=\"hdrop9-lead\"\u003eSettle this before you buy, because it is the line item that surprises people. The heater is hardwired by a licensed electrician.\u003c\/p\u003e\n    \u003cp\u003eThe figures below are HUUM's, from its US manual. They are the manufacturer's minimum, not a design for your house: sauna heating is a continuous load, so the National Electrical Code can require a larger breaker and heavier conductors than the manual's figure, and local amendments differ. Your electrician sizes the circuit. On this model HUUM's breaker figure is below what the Code's continuous-load rule gives for its rated current, so your electrician and inspector decide the breaker and cable, and they may be larger than HUUM's figure.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop9-tw\"\u003e\u003ctable class=\"hdrop9-ladder hdrop9-rooms\"\u003e\n      \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSupply\u003c\/th\u003e\n\u003cth\u003eWhat HUUM specifies\u003c\/th\u003e\n\u003cth\u003eRated room\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr class=\"hdrop9-on\"\u003e\n\u003ctd class=\"hdrop9-kw\"\u003e240 V\u003cspan class=\"hdrop9-tag\"\u003eMost homes\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e9 kW, 37.5 A, 50 A breaker, 8 AWG minimum cable\u003c\/td\u003e\n\u003ctd\u003e283 to 460 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd class=\"hdrop9-kw\"\u003e208 V\u003c\/td\u003e\n\u003ctd\u003e6.75 kW, 32.44 A, 40 A breaker, 8 AWG minimum cable\u003c\/td\u003e\n\u003ctd\u003e212 to 354 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\u003c\/div\u003e\n    \u003ch3\u003eWhat the manual requires\u003c\/h3\u003e\n    \u003cp\u003eThe supply cable has to meet UL 62 in the United States or CSA 49 in Canada. Crimping the cable ends is mandatory, cable with non heat resistant PVC insulation is not allowed, and any junction box inside the sauna must be waterproof and no higher than 19 11\/16 inches off the floor.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop9-warn\"\u003e\u003cp\u003e\u003cb\u003eHUUM recommends connecting the heater without a GFCI breaker.\u003c\/b\u003e Its manual says it is recommended to connect the unit to the mains without one. Whether you can follow that depends on where the sauna goes and which edition of the electrical code your area has adopted: an outdoor sauna at a home may fall inside the Code's ground fault requirement for outdoor outlets at these ratings, depending on the edition adopted and how your inspector reads it, while an indoor hardwired heater usually is not caught. Where the manual and the adopted code disagree, the code and your inspector decide. Settle it with your electrician at the rough-in, and ask about nuisance tripping while you are there.\u003c\/p\u003e\u003c\/div\u003e\n    \u003ch3\u003eWhy it is listed, and why that matters\u003c\/h3\u003e\n    \u003cp\u003eIt is listed by SGS, not by UL. SGS North America is on OSHA's list of nationally recognized testing laboratories, and it lists the DROP 9 for the United States and Canada under certificate SGSNA\/20\/SUW\/00067X, to UL 60335-1, CAN\/CSA C22.2 No. 60335-1, CAN\/CSA E60335-2-53 and IEC 60335-2-53. SGS records that listing at 240 V. HUUM's current US manual also publishes 208 V ratings for this heater, so on a 208 V supply confirm acceptance with your local inspector before you wire it. The listing applies on the conditions SGS records against it: the heater is used with sauna stones, run from an approved sauna heater controller (the listing was evaluated with the UKU), supplied by conductors rated to at least 90 degrees C, and carries the warning tag on the bottom rung of the frame. On the 9 kW DROP the certificate also requires the heat deflector to be fitted, and it is in the carton. Inspectors differ on what they ask to see for a sauna heater, so check with yours before you buy. We can send you the certificate.\u003c\/p\u003e\n  \u003ch3\u003eWhy this page quotes two voltages\u003c\/h3\u003e\n\u003cp\u003eThere is nothing to pick here, and nothing on this page selects it. Almost every US home is supplied at 240 volts, while many commercial buildings and some apartment blocks are supplied at 208. It is the same heater either way, wired the same way: on 208 volts it draws less and makes less heat, so HUUM publishes a separate output and a smaller room range for it, which is why the rows under the Add to Cart button and the table below both give two. Your electrician reads the panel and tells you which row applies. Either way it is hardwired into the circuit, not plugged into an outlet.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrop9-tinted\" id=\"install\"\u003e\n  \u003cdiv class=\"hdrop9-c\"\u003e\n    \u003cp class=\"hdrop9-eyebrow\"\u003eClearances\u003c\/p\u003e\n    \u003ch2\u003eWhere the HUUM DROP 9 can go\u003c\/h2\u003e\n    \u003cp class=\"hdrop9-lead\"\u003eA wall mounted sauna heater still has clearances, and every DROP size has its own set, because a hotter heater needs more room around it. These are this model's figures, and they assume the stone bed is properly filled.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop9-tw\"\u003e\u003ctable class=\"hdrop9-spec\"\u003e\n      \u003ccaption\u003eMinimum distances, DROP 9\u003c\/caption\u003e\n      \u003ctr\u003e\n\u003cth\u003eTo the side wall\u003c\/th\u003e\n\u003ctd\u003e5.9 in\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eAbove the heater, to the ceiling\u003c\/th\u003e\n\u003ctd\u003e47.25 in\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eBelow the heater, to the floor\u003c\/th\u003e\n\u003ctd\u003e3 15\/16 in (100 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eBody size\u003c\/th\u003e\n\u003ctd\u003e15.4 in W x 13.2 in D x 23.2 in H\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eWeight on the wall\u003c\/th\u003e\n\u003ctd\u003e26.5 lb empty. HUUM gives 143.3 lb for a DROP with its stone in.\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\u003c\/div\u003e\n    \u003cp\u003eHUUM's Table 1 carries further setting-out dimensions that only make sense against the manual's own drawing, which we can send before you order.\u003c\/p\u003e\n    \u003cp\u003eThe frame carries the whole loaded weight, so check what is in that stud bay before the lining boards go on, and run the cable at the same time.\u003c\/p\u003e\n    \u003cp\u003eThe room itself has to be built for a sauna, with an insulated shell, a vapor barrier and supply and exhaust vents. Our \u003ca href=\"\/collections\/traditional-saunas\"\u003etraditional sauna rooms\u003c\/a\u003e arrive built that way.\u003c\/p\u003e\n  \u003cfigure\u003e\u003cdiv class=\"hdrop9-fig\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-drop-9-in_sauna.jpg?width=1200\" alt=\"HUUM DROP in a sauna with the HUUM DROP safety rail (sold separately) fitted\" width=\"2048\" height=\"2048\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003cfigcaption\u003eIn a finished sauna, with the clearances this page lists.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"stones\"\u003e\n  \u003cdiv class=\"hdrop9-c\"\u003e\n    \u003cp class=\"hdrop9-eyebrow\"\u003eStone\u003c\/p\u003e\n    \u003ch2\u003eHow much stone the DROP 9 takes, and how to lay it\u003c\/h2\u003e\n    \u003cp class=\"hdrop9-lead\"\u003eThe stone is not a finishing touch. It is the thermal mass that turns 9 kW into steam, and the heater may not be switched on without it.\u003c\/p\u003e\n    \u003cp\u003eThis heater holds \u003cstrong\u003eabout 121.3 lb (55 kg)\u003c\/strong\u003e, which is \u003cstrong\u003e4 boxes\u003c\/strong\u003e of HUUM stone. HUUM asks for natural stone 2 to 4 inches (5 to 10 cm) across, and supplies olivine diabase in 33 pound boxes. Decorative stone is not a substitute: it stores little heat, breaks up, and the pieces block the airflow the elements depend on.\u003c\/p\u003e\n    \u003ch3\u003eLaying it\u003c\/h3\u003e\n    \u003cp\u003eHUUM films the job for the DROP; ask us and we will send you the link to its stone placement film.\u003c\/p\u003e\n    \u003cp\u003eWash the stone first. Lay it piece by piece rather than pouring it in, biggest at the bottom and the sides, smaller pieces wedging them in place. Pack the outer face tightly enough that no element shows through, but leave air paths inside. Keep the retainer clear.\u003c\/p\u003e\n    \u003cp\u003eThis size carries five elements and a retainer. HUUM's manual says to keep stone out from under the retainer, and to fill between and around the elements instead.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop9-warn\"\u003e\u003cp\u003e\u003cb\u003eA sparsely filled stone bed is a fire hazard.\u003c\/b\u003e The clearances on this page assume the elements are covered by stone. Damage caused by unsuitable stone is not covered by HUUM's warranty.\u003c\/p\u003e\u003c\/div\u003e\n    \u003cp\u003eFour boxes, the same as the DROP 4. This is worth knowing if you are comparing the 9 kW against a floor standing heater: a STEEL holds about 330 pounds of stone and a HIVE 528, against 121.3 here, which is what lets those ride out a busy room.\u003c\/p\u003e\n    \u003ch3\u003eHUUM's own warnings\u003c\/h3\u003e\n    \u003cp\u003eWorth reading before the first session, in HUUM's words: the heater may be used only when it has been correctly filled with stones; do not cover it, because that causes a fire hazard; do not touch a working heater, because it causes burns; never make steam with a water hose; use fragrances and oils only in the steam water, because poured onto the stones undiluted they can catch fire; sauna doors should always open outward; never ladle water while someone is close to the heater, because the steam can burn; and do not leave small children in the sauna unattended. HUUM adds that sudden cooling after a sauna is not recommended for people in poor health, who should ask a doctor first.\u003c\/p\u003e\n    \u003ch3\u003eLooking after it\u003c\/h3\u003e\n    \u003cp\u003eHUUM asks for a visual check after about 100 hours of use or at least once a year, a rearrange and replacement of any cracked pieces at about 200 hours, and all of it replaced at about 400 hours. Stone crumbles as it cycles, and the dust is what eventually blocks the airflow.\u003c\/p\u003e\n  \u003cfigure\u003e\u003cdiv class=\"hdrop9-fig\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-drop-9-stones_detail.jpg?width=1200\" alt=\"Stones and steam on the HUUM DROP sauna heater\" width=\"2048\" height=\"2048\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003cfigcaption\u003eThe stone bed, filled as the manual asks.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrop9-tinted\" id=\"costs\"\u003e\n  \u003cdiv class=\"hdrop9-c\"\u003e\n    \u003cp class=\"hdrop9-eyebrow\"\u003eRunning cost\u003c\/p\u003e\n    \u003ch2\u003eWhat the DROP 9 costs to run\u003c\/h2\u003e\n    \u003cp class=\"hdrop9-lead\"\u003eA sauna heater draws its full rated power while it heats, then cycles on the thermostat to hold temperature. That makes the ceiling easy to calculate and the real figure lower.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop9-tw\"\u003e\u003ctable class=\"hdrop9-spec\"\u003e\n      \u003ccaption\u003eAt the US average residential price of 18.3 cents a kilowatt hour (EIA, June 2026)\u003c\/caption\u003e\n      \u003ctr\u003e\n\u003cth\u003eFull output, one hour\u003c\/th\u003e\n\u003ctd\u003e9 kW x 0.183 = about 1.65 dollars\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eThree hours at full draw, heat up and a session\u003c\/th\u003e\n\u003ctd\u003eabout 4.94 dollars\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eThree of those a week\u003c\/th\u003e\n\u003ctd\u003eabout 15 dollars a week\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\u003c\/div\u003e\n    \u003cp\u003eThose are ceilings, not averages: once the room is at temperature the heater is off more than it is on, so the real bill lands under them. Your own rate is on your utility bill and varies widely by state.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop9-warn\"\u003e\u003cp\u003e\u003cb\u003eInsulation controls this number, not the heater.\u003c\/b\u003e A sauna that leaks heat runs the elements continuously, which costs more and wears them out sooner.\u003c\/p\u003e\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"crate\"\u003e\n  \u003cdiv class=\"hdrop9-c\"\u003e\n    \u003cp class=\"hdrop9-eyebrow\"\u003eWhat you get\u003c\/p\u003e\n    \u003ch2\u003eIn the DROP 9 carton\u003c\/h2\u003e\n    \u003cdiv class=\"hdrop9-pairup\"\u003e\n      \u003cdiv\u003e\n        \u003cul class=\"hdrop9-chk\"\u003e\n\u003cli\u003eElectric heater\u003c\/li\u003e\n\u003cli\u003eHeater mounting plate\u003c\/li\u003e\n\u003cli\u003eReflector\u003c\/li\u003e\n\u003cli\u003eHeating element spacers\u003c\/li\u003e\n\u003cli\u003eHeating element retainer\u003c\/li\u003e\n\u003cli\u003eHeat diverter with fastenings\u003c\/li\u003e\n\u003cli\u003eInstallation and operation manual\u003c\/li\u003e\n\u003c\/ul\u003e\n      \u003c\/div\u003e\n      \u003cdiv\u003e\n        \u003ch3\u003eNot included\u003c\/h3\u003e\n        \u003cp\u003eThe control, the stone, and the electrical work. The control and 4 boxes of stone are required to operate the heater; the rail, drip tray and embedding flange are optional.\u003c\/p\u003e\n        \u003ch3\u003eLead time\u003c\/h3\u003e\n        \u003cp\u003eDelivery estimates are shown on this page and at checkout. If you need a date before you commit, call us and we will confirm the current position with the distributor.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrop9-tinted\" id=\"specs\"\u003e\n  \u003cdiv class=\"hdrop9-c\"\u003e\n    \u003cp class=\"hdrop9-eyebrow\"\u003eReference\u003c\/p\u003e\n    \u003ch2\u003eHUUM DROP 9 specifications\u003c\/h2\u003e\n    \u003cdetails class=\"hdrop9-more\" open\u003e\n      \u003csummary\u003eFull specification tables\u003c\/summary\u003e\n      \u003cdiv class=\"hdrop9-tw\"\u003e\u003ctable class=\"hdrop9-spec\"\u003e\n\u003ccaption\u003eFrom the DROP 2.0 User Manual US v8 (April 2026), Tables 1 to 3\u003c\/caption\u003e\n\u003ctr\u003e\n\u003cth\u003eHeater output\u003c\/th\u003e\n\u003ctd\u003e9 kW at 240 V, 6.75 kW at 208 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRoom volume\u003c\/th\u003e\n\u003ctd\u003e283 to 460 adjusted cu. ft. at 240 V, 212 to 354 cu. ft. at 208 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMinimum room height\u003c\/th\u003e\n\u003ctd\u003e75 in (1900 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRated current\u003c\/th\u003e\n\u003ctd\u003e37.5 A at 240 V, 32.44 A at 208 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCircuit breaker\u003c\/th\u003e\n\u003ctd\u003e50 A at 240 V, 40 A at 208 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMinimum supply cable\u003c\/th\u003e\n\u003ctd\u003e8 AWG at 240 V, 8 AWG at 208 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeating elements\u003c\/th\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStone capacity\u003c\/th\u003e\n\u003ctd\u003eAbout 121.3 lb (55 kg), 4 boxes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStone size\u003c\/th\u003e\n\u003ctd\u003e2 to 4 in (5 to 10 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBody size\u003c\/th\u003e\n\u003ctd\u003e15.4 in W x 13.2 in D x 23.2 in H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight with stone\u003c\/th\u003e\n\u003ctd\u003e143.3 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eClearance to the side wall\u003c\/th\u003e\n\u003ctd\u003e5.9 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eClearance above the heater\u003c\/th\u003e\n\u003ctd\u003e47.25 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting\u003c\/th\u003e\n\u003ctd\u003eWall mounted on the supplied frame\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eControl\u003c\/th\u003e\n\u003ctd\u003eSeparate certified control required, sold separately\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n      \u003cdiv class=\"hdrop9-tw\"\u003e\u003ctable class=\"hdrop9-spec\"\u003e\n\u003ccaption\u003ePart number, certification and warranty\u003c\/caption\u003e\n\u003ctr\u003e\n\u003cth\u003ePart number\u003c\/th\u003e\n\u003ctd\u003eH1001072\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeater weight, empty\u003c\/th\u003e\n\u003ctd\u003e26.5 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupply\u003c\/th\u003e\n\u003ctd\u003eSingle phase, 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCertification\u003c\/th\u003e\n\u003ctd\u003eSGS Listed for North America (SGSNA\/20\/SUW\/00067X)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003eHUUM limited warranty, 3 years for private use and 1 year for commercial use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"compare\"\u003e\n  \u003cdiv class=\"hdrop9-c\"\u003e\n    \u003cp class=\"hdrop9-eyebrow\"\u003eThe range\u003c\/p\u003e\n    \u003ch2\u003eHUUM DROP 9 against the rest of the DROP range\u003c\/h2\u003e\n    \u003cp class=\"hdrop9-lead\"\u003eAll four take the same wall frame, the same stone load and the same controls. The choice is room volume and the circuit you can supply. Every figure below is HUUM's own, from its US manual, and the breaker column is the manufacturer's minimum rather than a design for your house.\u003c\/p\u003e\n    \u003cp\u003eScroll the table sideways to see every model.\u003c\/p\u003e\n    \u003cdiv class=\"hdrop9-tw hdrop9-tw--scroll\"\u003e\u003ctable class=\"hdrop9-cmp\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/huum-drop-4-electric-sauna-heater\"\u003e\u003cspan class=\"hdrop9-cmp-h\"\u003eHUUM\u003c\/span\u003e\u003cspan class=\"hdrop9-cmp-m\"\u003eDROP 4\u003c\/span\u003e\u003cspan class=\"hdrop9-cmp-here\"\u003e4.5 kW, 106 to 248 cu. ft.\u003c\/span\u003e\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/huum-drop-6-electric-sauna-heater\"\u003e\u003cspan class=\"hdrop9-cmp-h\"\u003eHUUM\u003c\/span\u003e\u003cspan class=\"hdrop9-cmp-m\"\u003eDROP 6\u003c\/span\u003e\u003cspan class=\"hdrop9-cmp-here\"\u003e6 kW, 177 to 318 cu. ft.\u003c\/span\u003e\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/huum-drop-7-electric-sauna-heater\"\u003e\u003cspan class=\"hdrop9-cmp-h\"\u003eHUUM\u003c\/span\u003e\u003cspan class=\"hdrop9-cmp-m\"\u003eDROP 7\u003c\/span\u003e\u003cspan class=\"hdrop9-cmp-here\"\u003e7.5 kW, 248 to 389 cu. ft.\u003c\/span\u003e\u003c\/a\u003e\u003c\/th\u003e\n\u003cth class=\"hdrop9-me\"\u003e\n\u003cspan class=\"hdrop9-cmp-h\"\u003eHUUM\u003c\/span\u003e\u003cspan class=\"hdrop9-cmp-m\"\u003eDROP 9\u003c\/span\u003e\u003cspan class=\"hdrop9-cmp-here\"\u003eYou are here\u003c\/span\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput at 240 V\u003c\/td\u003e\n\u003ctd\u003e4.5 kW\u003c\/td\u003e\n\u003ctd\u003e6 kW\u003c\/td\u003e\n\u003ctd\u003e7.5 kW\u003c\/td\u003e\n\u003ctd class=\"hdrop9-me\"\u003e9 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated room\u003c\/td\u003e\n\u003ctd\u003e106 to 248 cu. ft.\u003c\/td\u003e\n\u003ctd\u003e177 to 318 cu. ft.\u003c\/td\u003e\n\u003ctd\u003e248 to 389 cu. ft.\u003c\/td\u003e\n\u003ctd class=\"hdrop9-me\"\u003e283 to 460 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003e18.75 A\u003c\/td\u003e\n\u003ctd\u003e25 A\u003c\/td\u003e\n\u003ctd\u003e31.25 A\u003c\/td\u003e\n\u003ctd class=\"hdrop9-me\"\u003e37.5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBreaker\u003c\/td\u003e\n\u003ctd\u003e30 A\u003c\/td\u003e\n\u003ctd\u003e30 A\u003c\/td\u003e\n\u003ctd\u003e40 A\u003c\/td\u003e\n\u003ctd class=\"hdrop9-me\"\u003e50 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum cable\u003c\/td\u003e\n\u003ctd\u003e10 AWG\u003c\/td\u003e\n\u003ctd\u003e10 AWG\u003c\/td\u003e\n\u003ctd\u003e8 AWG\u003c\/td\u003e\n\u003ctd class=\"hdrop9-me\"\u003e8 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElements\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd class=\"hdrop9-me\"\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStone\u003c\/td\u003e\n\u003ctd\u003e4 boxes\u003c\/td\u003e\n\u003ctd\u003e4 boxes\u003c\/td\u003e\n\u003ctd\u003e4 boxes\u003c\/td\u003e\n\u003ctd class=\"hdrop9-me\"\u003e4 boxes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n    \u003ch3\u003eWhen a DROP is the wrong heater\u003c\/h3\u003e\n    \u003cp\u003eThe DROP tops out at 9 kW and hangs on a wall. For a room above 460 cubic feet, or a commercial room that reheats group after group, a STEEL at about 330 pounds of stone, or a HIVE at 528, holds temperature better. Compare the whole range on our \u003ca href=\"\/collections\/electric-sauna-heaters\"\u003eelectric sauna heaters\u003c\/a\u003e page, browse every \u003ca href=\"\/collections\/sauna-heaters\"\u003esauna heater\u003c\/a\u003e we carry, or see every model in our \u003ca href=\"\/collections\/huum\"\u003eHUUM sauna heaters\u003c\/a\u003e collection.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"faq\"\u003e\n  \u003cdiv class=\"hdrop9-c\"\u003e\n    \u003cp class=\"hdrop9-eyebrow\"\u003eBuyer questions\u003c\/p\u003e\n    \u003ch2\u003eHUUM DROP 9 questions buyers ask before ordering\u003c\/h2\u003e\n    \u003cdiv class=\"hdrop9-faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat size sauna will the HUUM DROP 9 heat?\u003c\/summary\u003e\u003cdiv class=\"hdrop9-fb\"\u003e\u003cp\u003eHUUM rates it for 283 to 460 cubic feet on 240 volts, or 212 to 354 cubic feet on 208 volts. Measure length by width by height in feet, then add 3.3 cubic feet for every square foot of uninsulated glass, brick or tile. HUUM does not say whether a glass door counts, so counting it is the cautious choice, and size from that number.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDoes the HUUM DROP 9 come with a control?\u003c\/summary\u003e\u003cdiv class=\"hdrop9-fb\"\u003e\u003cp\u003eNo. Every HUUM heater needs a separate certified control, bought separately. The control unit goes outside the hot room, its own manual sets out which panel finishes may be mounted inside, and a heater in a public sauna has to have a timer. HUUM's matched control is the UKU, the controller this heater was certified with, in Local or Wi-Fi form.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow many boxes of stone does the HUUM DROP 9 need?\u003c\/summary\u003e\u003cdiv class=\"hdrop9-fb\"\u003e\u003cp\u003e4 boxes. The heater holds about 121.3 lb (55 kg) and HUUM asks for natural stone 2 to 4 inches across. HUUM's own stone is olivine diabase in 33 pound boxes. The heater may not be run before it is properly filled.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat breaker and wire does the HUUM DROP 9 need?\u003c\/summary\u003e\u003cdiv class=\"hdrop9-fb\"\u003e\u003cp\u003eOn 240 volts it draws 37.5 A and HUUM specifies a 50 A breaker with 8 AWG cable. On 208 volts it is 32.44 A, a 40 A breaker and 8 AWG. The cable must meet UL 62 in the United States or CSA 49 in Canada, and your electrician sizes the install to the National Electrical Code and to local amendments. On this model HUUM's breaker figure is below what the Code's continuous-load rule gives for its rated current, so your electrician and inspector decide the breaker and cable, and they may be larger than HUUM's figure.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eIs the HUUM DROP 9 UL listed?\u003c\/summary\u003e\u003cdiv class=\"hdrop9-fb\"\u003e\u003cp\u003eListed, but by SGS rather than UL. SGS North America is on OSHA's list of nationally recognized testing laboratories, and its certificate SGSNA\/20\/SUW\/00067X covers this heater for the United States and Canada. SGS records conditions against that listing, and they are set out in full in the listing section above.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eCan I install the HUUM DROP 9 myself?\u003c\/summary\u003e\u003cdiv class=\"hdrop9-fb\"\u003e\u003cp\u003eNot if you want the warranty. HUUM's warranty requires the heater to be installed and connected by a licensed electrician, with proof presented to HUUM. The heater is hardwired, crimped cable ends are mandatory and the manual forbids cable with non heat resistant PVC insulation. Keep the electrician's invoice.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDoes the HUUM DROP 9 need a GFCI breaker?\u003c\/summary\u003e\u003cdiv class=\"hdrop9-fb\"\u003e\u003cp\u003eHUUM's manual says it is recommended to connect the heater without one. Whether you can follow that depends on where the sauna goes and which edition of the electrical code your area has adopted. An outdoor sauna at a home may fall inside the Code's ground fault requirement for outdoor outlets at these ratings, depending on the edition adopted and how your inspector reads it, while an indoor hardwired heater usually is not caught. Where the manual and the adopted code disagree, the code and your inspector decide, so settle it with your electrician before the rough-in.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDoes the HUUM DROP 9 need a UKU extension box?\u003c\/summary\u003e\u003cdiv class=\"hdrop9-fb\"\u003e\u003cp\u003eNo. The extension box is for HUUM heaters above 11 kW, which means the HIVE 12, 15 and 18. Every DROP runs from the UKU's main module on its own. Dealer listings quote several different thresholds for the box, which is where the confusion comes from.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow long does the HUUM DROP 9 take to heat a sauna?\u003c\/summary\u003e\u003cdiv class=\"hdrop9-fb\"\u003e\u003cp\u003eHUUM's manual says about an hour in a properly insulated room with a correctly sized heater, with the stone reaching throwing temperature at about the same time as the air. A leaky room or an undersized heater takes longer and costs more to run.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat warranty comes with the HUUM DROP 9?\u003c\/summary\u003e\u003cdiv class=\"hdrop9-fb\"\u003e\u003cp\u003eHUUM warrants its electric heaters, wood stoves and controls for 3 years in a private sauna and 1 year in a commercial one, from the date of purchase, with spare parts covered for 1 year. Heating elements, controller sensors, stones, HUUM accessories, and wood stove door glass and ash grates are excluded, and so is damage from unsuitable stones or from a heater sized wrong for the room. HUUM counts it as commercial use if a registered business uses the product commercially, if a private user uses it commercially, or if a private user runs it for more than 1,500 hours in a 12 month period. For the warranty to apply, the heater has to be installed and connected by a licensed electrician with proof presented to HUUM, installed and operated to HUUM's manual and to local building, electrical and fire codes, and installed complete. Damage found on delivery has to be reported to us within 48 hours of delivery, with photographs and before the heater is installed; that is our window, and because it is shorter than HUUM's 7 days, it is the one that applies to the HUUM warranty. Any defect has to be reported within 30 days of discovering it. Because elements are excluded, we stock them as \u003ca href=\"\/products\/huum-drop-heating-element\"\u003ereplacement parts\u003c\/a\u003e.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003cdiv class=\"hdrop9-close\" id=\"order\"\u003e\n\u003cdiv class=\"hdrop9-c\"\u003e\n\u003cp class=\"hdrop9-eyebrow\" style=\"color:#E8A33D\"\u003eOne last thing\u003c\/p\u003e\n\u003ch2\u003eNot sure the DROP 9 is the right output?\u003c\/h2\u003e\n\u003cp\u003eTell us the room size and how the walls are built, and we will size it with you before you order. The stone and the UKU control sit on this page, above Add to Cart, so the whole order goes in together. If you would rather take it in one line, we build the same parts as a \u003ca href=\"\/collections\/sauna-heater-packages\"\u003esauna heater package\u003c\/a\u003e.\u003c\/p\u003e\n\u003cdiv class=\"hdrop9-who\"\u003e\n\u003cimg class=\"hdrop9-av\" src=\"https:\/\/recoveryroomdirect.com\/cdn\/shop\/files\/recovery_room_direct_specialist_customer_service.png?v=178611576\u0026amp;width=128\" alt=\"Chaddy, sauna specialist at Recovery Room Direct\" width=\"52\" height=\"52\" loading=\"lazy\"\u003e\n\u003cp\u003e\u003cb\u003eChaddy\u003c\/b\u003e\u003cspan\u003eSauna specialist, Recovery Room Direct\u003c\/span\u003e\u003cspan\u003eMonday to Saturday, 9AM to 6PM ET\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ca class=\"hdrop9-btn\" href=\"tel:+18885005675\"\u003eCall (888) 500-5675\u003c\/a\u003e\n\u003ca class=\"hdrop9-up\" href=\"#MainContent\"\u003eReady to order? Scroll up to the buy box\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HUUM","offers":[{"title":"Default Title","offer_id":53514268115311,"sku":"H1001072","price":1751.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-drop-9-electric-sauna-heater-installed-crop.jpg?v=1791437374"},{"product_id":"huum-drop-6-sauna-heater-package","title":"HUUM DROP 6 Sauna Heater Package, 6 kW | UKU Control and Stones","description":"\u003cstyle\u003e.hdrop6pkg{--ink:#1A1410;--body:#463C33;--mut:#54493D;--accent:#96620A;--bright:#E8A33D;--dark:#171310;--sub:#54493D;--tint:#F7F1E6;--fill:#F0E9DB;--hl:#F6E7CB;--line:#DCCFB4;--warm:#DCCFB4;--edge:#CBBBA0;--rule:#DCCFB4;--r-lg:10px;--r-sm:10px;--r-xs:999px;--gut:20px;font-family:-apple-system,BlinkMacSystemFont,'Segoe 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iframe{position:absolute;inset:0;width:100%;height:100%;display:block;border:0;background:var(--dark)}\u003c\/style\u003e\n\u003cdiv class=\"hdrop6pkg\"\u003e\n\u003csection id=\"overview\"\u003e\n\u003cdiv class=\"hdrop6pkg-c\"\u003e\n\u003cp class=\"hdrop6pkg-eyebrow\"\u003eThe whole order\u003c\/p\u003e\n\u003cdetails class=\"hdrop6pkg-disc\"\u003e\u003csummary\u003eJump to\u003cspan class=\"hdrop6pkg-ct\"\u003e13 sections\u003c\/span\u003e\u003c\/summary\u003e\u003col\u003e\n\u003cli\u003e\u003ca href=\"#overview\"\u003eOverview\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#video\"\u003eVideo\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#fit\"\u003eWill it fit\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#heater\"\u003eThe heater\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#control\"\u003eThe control\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#electrical\"\u003eBreaker and wire\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#stones\"\u003eStone\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#specs\"\u003eSpecifications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#compare\"\u003eHow it compares\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#crate\"\u003eWhat you get\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#delivery\"\u003eDelivery\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#faq\"\u003eQuestions\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#order\"\u003eOrder\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\u003c\/details\u003e\n\u003ch2\u003eHUUM DROP 6 Sauna Heater Package\u003c\/h2\u003e\n\u003cp class=\"hdrop6pkg-lead\"\u003eA HUUM heater carton holds the heater and its fixings. No control, no stone. This package is the DROP 6 with a UKU control and the 4 boxes of stone HUUM's manual asks for, so nothing is missing when the electrician arrives.\u003c\/p\u003e\n\u003cul class=\"hdrop6pkg-chk\"\u003e\n\u003cli\u003eThe HUUM DROP 6 sauna heater, 6 kW\u003c\/li\u003e\n\u003cli\u003eA HUUM UKU control, in the panel finish you pick above\u003c\/li\u003e\n\u003cli\u003e4 boxes of HUUM olivine diabase stone, 121.3 lb (55 kg)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe package price is the component prices added together, at the manufacturer's own advertised prices. Nothing is added for bundling them, and there is no inflated compare at price. Buy the parts separately from us and you pay the same.\u003c\/p\u003e\n\u003cdiv class=\"hdrop6pkg-stat3\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"hdrop6pkg-lbl\"\u003eOutput at 240 volts\u003c\/p\u003e\n\u003cp class=\"hdrop6pkg-big\"\u003e6 kW\u003c\/p\u003e\n\u003cp\u003eHUUM's rating on a 240 volt supply. On 208 volts the same heater makes 4.5 kW.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp class=\"hdrop6pkg-lbl\"\u003eRoom it is rated for\u003c\/p\u003e\n\u003cp class=\"hdrop6pkg-big\"\u003e177 to 318 cu. ft.\u003c\/p\u003e\n\u003cp\u003eLength times width times height, with 3.3 cubic feet added for every square foot of uninsulated brick, tile or glass.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp class=\"hdrop6pkg-lbl\"\u003eStone included\u003c\/p\u003e\n\u003cp class=\"hdrop6pkg-big\"\u003e4 boxes\u003c\/p\u003e\n\u003cp\u003eHUUM olivine diabase in 33 pound boxes, covering the capacity HUUM publishes for this heater.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrop6pkg-tinted\" id=\"video\"\u003e\n\u003cdiv class=\"hdrop6pkg-c\"\u003e\n\u003cp class=\"hdrop6pkg-eyebrow\"\u003eWatch\u003c\/p\u003e\n\u003cdiv class=\"hdrop6pkg-vidrow\"\u003e\n\u003cdiv class=\"hdrop6pkg-vid\"\u003e\u003ciframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/K4BQgwESR4c\" title=\"The heat diverter, fitted, HUUM\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003cdiv class=\"hdrop6pkg-vidbody\"\u003e\n\u003ch2\u003eThe heat diverter, fitted\u003c\/h2\u003e\n\u003cp class=\"hdrop6pkg-lead\"\u003eEvery DROP 2.0 ships with the heat diverter. This is how it bolts to the reflector.\u003c\/p\u003e\n\u003cp\u003eHUUM filmed this one itself. Its heater installation films are made for Europe and show European wiring, so we do not use them; the sauna side of the job is the same, but the electrical side is not.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"fit\"\u003e\n\u003cdiv class=\"hdrop6pkg-c\"\u003e\n\u003cp class=\"hdrop6pkg-eyebrow\"\u003eSizing\u003c\/p\u003e\n\u003ch2\u003eWhich DROP package suits your room\u003c\/h2\u003e\n\u003cp class=\"hdrop6pkg-lead\"\u003eEvery package in this series carries the same seven control choices and the same\ngrade of stone. What separates them is output and the room each one is rated for. The stone load is the same across the series, so a bigger package is more heat rather than more mass. There are 4 of them.\u003c\/p\u003e\n\u003cdiv class=\"hdrop6pkg-tw\"\u003e\u003ctable class=\"hdrop6pkg-ladder hdrop6pkg-rooms\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePackage\u003c\/th\u003e\n\u003cth\u003eStone included\u003c\/th\u003e\n\u003cth\u003eRated room at 240 V\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop6pkg-kw\"\u003e\u003ca href=\"\/products\/huum-drop-4-sauna-heater-package\"\u003eDROP 4\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e4 boxes\u003c\/td\u003e\n\u003ctd\u003e106 to 248 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"hdrop6pkg-on\"\u003e\n\u003ctd class=\"hdrop6pkg-kw\"\u003eDROP 6 \u003cspan class=\"hdrop6pkg-tag\"\u003eThis package\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e4 boxes\u003c\/td\u003e\n\u003ctd\u003e177 to 318 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop6pkg-kw\"\u003e\u003ca href=\"\/products\/huum-drop-7-sauna-heater-package\"\u003eDROP 7\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e4 boxes\u003c\/td\u003e\n\u003ctd\u003e248 to 389 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop6pkg-kw\"\u003e\u003ca href=\"\/products\/huum-drop-9-sauna-heater-package\"\u003eDROP 9\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e4 boxes\u003c\/td\u003e\n\u003ctd\u003e283 to 460 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3\u003eMeasure the room first\u003c\/h3\u003e\n\u003cp\u003eOutput follows the volume of the room rather than its floor, so work in cubic feet: length times\nwidth times height, all in feet. Uninsulated brick, tile or glass pulls heat out of a room faster\nthan a timber wall does, and HUUM's manual answers that by counting an extra 3.3 cubic feet for\nevery square foot of such wall. HUUM does not say whether a glass door counts, so counting it is\nthe cautious choice. If the number lands between two packages, our\n\u003ca href=\"\/pages\/find-your-sauna-heater\"\u003eheater finder\u003c\/a\u003e walks the room with you, or call and we\nwill do it together.\u003c\/p\u003e\n\u003ch3\u003eWhat moves when you change size\u003c\/h3\u003e\n\u003cp\u003eOutput moves with the size and so does the circuit, which is the part people budget late. This\npackage is rated for 177 to 318 cubic feet on a 240 volt supply and 142 to 248 on 208 volts,\nand the breaker and cable HUUM calls for at both voltages are in the specifications below.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrop6pkg-tinted\" id=\"heater\"\u003e\n\u003cdiv class=\"hdrop6pkg-c\"\u003e\n\u003cp class=\"hdrop6pkg-eyebrow\"\u003eThe heater\u003c\/p\u003e\n\u003ch2\u003eWhat the DROP 6 is rated for\u003c\/h2\u003e\n\u003cp class=\"hdrop6pkg-lead\"\u003eHUUM rates the \u003ca href=\"\/products\/huum-drop-6-electric-sauna-heater\"\u003eDROP 6 heater\u003c\/a\u003e for 177 to 318 cubic feet at 240 volts. It hangs on its wall frame, so the floor stays clear, and it measures 15.4 in wide, 13.2 in deep and 23.2 in tall. HUUM gives its stone capacity as about 121.3 lb (55 kg), and \u003ca href=\"\/products\/huum-sauna-stones-5-10-cm\"\u003eits olivine diabase stone\u003c\/a\u003e comes in 33 pound boxes, so this package carries 4 of them and a little stone is left over.\u003c\/p\u003e\n\u003cp\u003eThe DROP is the only HUUM electric heater light enough to travel by parcel, and the only one that hangs with its stone in the open on a wall frame, so the bench plan and the floor stay clear.\u003c\/p\u003e\n\u003cp\u003eOn a 208 volt supply the same heater makes 4.5 kW and is rated for 142 to 248 cubic feet.\u003c\/p\u003e\n\u003cfigure\u003e\u003cdiv class=\"hdrop6pkg-fig\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-drop-6-studio_c960ed78-a4e1-4381-846d-49a521c86c30.jpg?width=1200\" alt=\"HUUM DROP 6 sauna heater\" width=\"2048\" height=\"2048\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003cfigcaption\u003eThe heater in the package, before the stone goes in.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"control\"\u003e\n\u003cdiv class=\"hdrop6pkg-c\"\u003e\n\u003cp class=\"hdrop6pkg-eyebrow\"\u003eThe control\u003c\/p\u003e\n\u003ch2\u003eWhich UKU comes in the package\u003c\/h2\u003e\n\u003cp class=\"hdrop6pkg-lead\"\u003ePick the control at the top of this page and the price moves with it. Every choice is a HUUM UKU: the same control, in a different panel.\u003c\/p\u003e\n\u003cp\u003eThe \u003ca href=\"\/products\/huum-uku-local-sauna-heater-control\"\u003eUKU Local\u003c\/a\u003e runs the heater from the wall panel. The \u003ca href=\"\/products\/huum-uku-wifi-sauna-heater-control\"\u003eUKU Wi-Fi\u003c\/a\u003e adds the phone app, so the room can be hot when you get home. Local comes in black or thermo-ash wood. Wi-Fi adds black glass, mirror and gold.\u003c\/p\u003e\n\u003cp\u003eThe control unit itself mounts outside the hot room, and the panel goes on the wall where you want it. HUUM's manual sets the cable runs, and the cables it needs are in the box.\u003c\/p\u003e\n\u003cfigure\u003e\u003cdiv class=\"hdrop6pkg-fig\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-uku-control-panels-and-app_faab9781-bd0e-431c-8cb4-4faa246f384f.jpg?width=1200\" alt=\"HUUM UKU control panels and app, the control included in this package\" width=\"2000\" height=\"1559\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003cfigcaption\u003eThe UKU panel finishes, and the app the Wi-Fi control adds.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrop6pkg-tinted\" id=\"electrical\"\u003e\n\u003cdiv class=\"hdrop6pkg-c\"\u003e\n\u003cp class=\"hdrop6pkg-eyebrow\"\u003eThe circuit\u003c\/p\u003e\n\u003ch2\u003e25 amps at 240 volts\u003c\/h2\u003e\n\u003cp class=\"hdrop6pkg-lead\"\u003eThe DROP 6 draws 25 amps at 240 volts, and HUUM's manual calls for a 30 amp breaker on 10 AWG cable. It is hardwired, not plugged in.\u003c\/p\u003e\n\u003cp\u003eA sauna heater is a continuous load, so the National Electrical Code can call for a larger breaker and heavier conductors than the manual's figure, and local amendments differ. Your licensed electrician sizes the circuit and pulls the permit. On this model HUUM's breaker figure is below what the Code's continuous-load rule gives for its rated current, so your electrician and inspector decide the breaker and cable, and they may be larger than HUUM's figure.\u003c\/p\u003e\n\u003ch3\u003eWhy this page quotes two voltages\u003c\/h3\u003e\n\u003cp\u003eThere is nothing to pick here, and nothing on this page selects it. Almost every US home is supplied at 240 volts, while many commercial buildings and some apartment blocks are supplied at 208. It is the same heater and the same part number either way: on 208 volts it draws less and makes less heat, so HUUM publishes a separate output and a smaller room range for it, and the specifications below list both. Your electrician reads the panel and tells you which row applies. At 208 volts HUUM gives 21.63 amps and 30 amps.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"stones\"\u003e\n\u003cdiv class=\"hdrop6pkg-c\"\u003e\n\u003cp class=\"hdrop6pkg-eyebrow\"\u003eStone\u003c\/p\u003e\n\u003ch2\u003eThe stone is already in the order\u003c\/h2\u003e\n\u003cp class=\"hdrop6pkg-lead\"\u003eHUUM gives the DROP 6 a stone capacity of about 121.3 lb (55 kg). Its\n\u003ca href=\"\/products\/huum-sauna-stones-5-10-cm\"\u003eolivine diabase\u003c\/a\u003e is sold in 33 pound boxes, so this package carries 4 of\nthem, which covers it with a little left over.\u003c\/p\u003e\n\u003ch3\u003eWhy the grade is on the label\u003c\/h3\u003e\n\u003cp\u003eThis heater takes stone 2 to 4 inches (5 to 10 cm) across, which is the range HUUM's manual publishes for it. The\nsize matters because the same manual asks for the stones to be laid loosely enough for air to move\nbetween them, and for the heating elements not to show once the bed is filled. HUUM prints a\nwarning that a too sparsely filled stone container is a fire hazard, so the bed has to be both\nfull and open, and stone outside the published range makes that harder to get right.\u003c\/p\u003e\n\u003ch3\u003eHow the stone travels\u003c\/h3\u003e\n\u003cp\u003eStone is heavy and it is the line most quotes get wrong. In this package it goes on the same\norder as the heater and carries no shipping charge to the contiguous 48 states; ordered on its own\nit is charged per box. That is the difference worth checking if you are weighing the package\nagainst the parts.\u003c\/p\u003e\n\u003cfigure\u003e\u003cdiv class=\"hdrop6pkg-fig\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-sauna-stones-olivine_eb67c44f-f019-4c4b-9a62-2a1de5182677_0a167aa1-1d04-48d9-a974-63428dcdd0e4.jpg?width=1200\" alt=\"HUUM olivine diabase sauna stones, included in the package\" width=\"2048\" height=\"1365\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003cfigcaption\u003eHUUM olivine diabase, the stone counted into this package.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrop6pkg-tinted\" id=\"specs\"\u003e\n\u003cdiv class=\"hdrop6pkg-c\"\u003e\n\u003cp class=\"hdrop6pkg-eyebrow\"\u003eSpecifications\u003c\/p\u003e\n\u003ch2\u003eWhat is in this package\u003c\/h2\u003e\n\u003cdiv class=\"hdrop6pkg-tw\"\u003e\u003ctable class=\"hdrop6pkg-spec\"\u003e\n\u003ccaption\u003eHUUM DROP 6 package reference\u003c\/caption\u003e\n\u003ctr\u003e\n\u003cth\u003eHeater\u003c\/th\u003e\n\u003ctd\u003eHUUM DROP 6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput at 240 V\u003c\/th\u003e\n\u003ctd\u003e6 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRoom at 240 V\u003c\/th\u003e\n\u003ctd\u003e177 to 318 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput at 208 V\u003c\/th\u003e\n\u003ctd\u003e4.5 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRoom at 208 V\u003c\/th\u003e\n\u003ctd\u003e142 to 248 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCurrent at 240 V\u003c\/th\u003e\n\u003ctd\u003e25 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBreaker at 240 V\u003c\/th\u003e\n\u003ctd\u003e30 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCable at 240 V\u003c\/th\u003e\n\u003ctd\u003e10 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBreaker at 208 V\u003c\/th\u003e\n\u003ctd\u003e30 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCable at 208 V\u003c\/th\u003e\n\u003ctd\u003e10 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeater size\u003c\/th\u003e\n\u003ctd\u003e15.4 x 13.2 x 23.2 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeater weight, empty\u003c\/th\u003e\n\u003ctd\u003e24.3 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eClearance to the side wall\u003c\/th\u003e\n\u003ctd\u003e4.72 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMinimum gap above\u003c\/th\u003e\n\u003ctd\u003e47.25 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStone in the package\u003c\/th\u003e\n\u003ctd\u003e4 boxes, 121.3 lb (55 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eControl in the package\u003c\/th\u003e\n\u003ctd\u003eHUUM UKU, panel finish as selected\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eExtension box\u003c\/th\u003e\n\u003ctd\u003eNot needed at this output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting\u003c\/th\u003e\n\u003ctd\u003eWall mounted on the supplied frame\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWall to wall across the heater\u003c\/th\u003e\n\u003ctd\u003e24.81 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp\u003eEvery figure is HUUM's own, from the current US manual for this heater.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"compare\"\u003e\n\u003cdiv class=\"hdrop6pkg-c\"\u003e\n\u003cp class=\"hdrop6pkg-eyebrow\"\u003eThe alternatives\u003c\/p\u003e\n\u003ch2\u003eOther HUUM packages that cover a similar room\u003c\/h2\u003e\n\u003cp class=\"hdrop6pkg-lead\"\u003eA room of this size does not tie you to one heater. These HUUM packages have a rated range that overlaps the DROP 6. Those are the 5 closest of 11; the rest are in our \u003ca href=\"\/collections\/sauna-heater-packages\"\u003esauna heater packages\u003c\/a\u003e collection. Overlapping is not the same as interchangeable: check your own cubic feet against each range before you switch, because HUUM ties the warranty to matching the heater to the room.\u003c\/p\u003e\n\u003cdiv class=\"hdrop6pkg-tw\"\u003e\u003ctable class=\"hdrop6pkg-ladder hdrop6pkg-rooms\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePackage\u003c\/th\u003e\n\u003cth\u003eOutput at 240 V\u003c\/th\u003e\n\u003cth\u003eStone included\u003c\/th\u003e\n\u003cth\u003eWhere it sits\u003c\/th\u003e\n\u003cth\u003eRated room\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop6pkg-kw\"\u003e\u003ca href=\"\/products\/huum-drop-4-sauna-heater-package\"\u003eDROP 4\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e4.5 kW\u003c\/td\u003e\n\u003ctd\u003e4 boxes\u003c\/td\u003e\n\u003ctd\u003eWall mounted\u003c\/td\u003e\n\u003ctd\u003e106 to 248 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop6pkg-kw\"\u003e\u003ca href=\"\/products\/huum-cliff-6-sauna-heater-package\"\u003eCLIFF 6\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e6 kW\u003c\/td\u003e\n\u003ctd\u003e5 boxes\u003c\/td\u003e\n\u003ctd\u003eFloor standing\u003c\/td\u003e\n\u003ctd\u003e177 to 318 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop6pkg-kw\"\u003e\u003ca href=\"\/products\/huum-hive-mini-6-sauna-heater-package\"\u003eHIVE Mini 6\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e6 kW\u003c\/td\u003e\n\u003ctd\u003e10 boxes\u003c\/td\u003e\n\u003ctd\u003eFloor standing\u003c\/td\u003e\n\u003ctd\u003e177 to 318 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop6pkg-kw\"\u003e\u003ca href=\"\/products\/huum-steel-6-sauna-heater-package\"\u003eSTEEL 6\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e6 kW\u003c\/td\u003e\n\u003ctd\u003e10 boxes\u003c\/td\u003e\n\u003ctd\u003eFloor standing\u003c\/td\u003e\n\u003ctd\u003e177 to 318 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"hdrop6pkg-on\"\u003e\n\u003ctd class=\"hdrop6pkg-kw\"\u003eDROP 6 \u003cspan class=\"hdrop6pkg-tag\"\u003eThis package\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e6 kW\u003c\/td\u003e\n\u003ctd\u003e4 boxes\u003c\/td\u003e\n\u003ctd\u003eWall mounted\u003c\/td\u003e\n\u003ctd\u003e177 to 318 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop6pkg-kw\"\u003e\u003ca href=\"\/products\/huum-core-6-sauna-heater-package\"\u003eCORE 6\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e6.5 kW\u003c\/td\u003e\n\u003ctd\u003e3 boxes\u003c\/td\u003e\n\u003ctd\u003eFloor standing\u003c\/td\u003e\n\u003ctd\u003e177 to 318 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\n\u003ch3\u003eReading the stone column\u003c\/h3\u003e\n\u003cp\u003eTwo heaters of the same output can carry very different stone loads, and HUUM describes its large stone loads as the source of a gentle, long lasting steam. Neither way is better. Where there is a real tie breaker it is usually the last thing on the list, whether the heater hangs on the wall or stands on the floor, which is the Where it sits column.\u003c\/p\u003e\n\u003cp\u003eThe outputs, room ranges and mounting are HUUM's own figures from the current US manual for each\nheater. The box counts are ours, worked from the stone weight HUUM publishes and its 33 pound box.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrop6pkg-tinted\" id=\"crate\"\u003e\n\u003cdiv class=\"hdrop6pkg-c\"\u003e\n\u003cp class=\"hdrop6pkg-eyebrow\"\u003eWhat you get\u003c\/p\u003e\n\u003ch2\u003eWhat arrives, and in how many boxes\u003c\/h2\u003e\n\u003cp class=\"hdrop6pkg-lead\"\u003eA package is three separate cartons rather than one, because the heater, the control and the stone are packed by HUUM as separate lines.\u003c\/p\u003e\n\u003cul class=\"hdrop6pkg-chk\"\u003e\n\u003cli\u003eThe heater, in HUUM's own carton with its fixings and manual\u003c\/li\u003e\n\u003cli\u003eThe UKU control, panel and module, in a separate carton\u003c\/li\u003e\n\u003cli\u003e4 boxes of stone at 33 pounds each\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNothing else is needed to fire it once the electrician has made the connection. The rail, the drip tray and the embedding flange HUUM lists for this heater are optional and ordered separately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"delivery\"\u003e\n\u003cdiv class=\"hdrop6pkg-c\"\u003e\n\u003cp class=\"hdrop6pkg-eyebrow\"\u003eDelivery\u003c\/p\u003e\n\u003ch2\u003eHow the package arrives\u003c\/h2\u003e\n\u003cp class=\"hdrop6pkg-lead\"\u003eThe heater travels by ground parcel, light enough that there is no appointment, no liftgate and no curbside handover to arrange. The stone travels in its own boxes, 4 of them at 33 pounds each, and the control comes in its own carton. They can arrive on different days.\u003c\/p\u003e\n\u003cp\u003eShipping is free to the contiguous 48 states. We do not ship HUUM to Alaska, Hawaii or Puerto Rico. Buying the stone inside a package is what keeps it free; ordered on its own it is charged per box.\u003c\/p\u003e\n\u003cp\u003eLead time runs about 7 to 14 days from order. Open the cartons the day they arrive and check the contents, and tell us within 48 hours of delivery if anything is damaged, with photographs, so we can file the claim. Full terms are on our \u003ca href=\"\/pages\/huum-shipping-policy\"\u003eHUUM shipping policy\u003c\/a\u003e, with the \u003ca href=\"\/pages\/huum-warranty-policy\"\u003ewarranty\u003c\/a\u003e and \u003ca href=\"\/pages\/huum-return-policy\"\u003ereturns\u003c\/a\u003e pages alongside it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrop6pkg-tinted\" id=\"faq\"\u003e\n\u003cdiv class=\"hdrop6pkg-c\"\u003e\n\u003cp class=\"hdrop6pkg-eyebrow\"\u003eQuestions\u003c\/p\u003e\n\u003ch2\u003eQuestions buyers ask about this package\u003c\/h2\u003e\n\u003cdiv class=\"hdrop6pkg-faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is in the HUUM DROP 6 package?\u003c\/summary\u003e\u003cdiv class=\"hdrop6pkg-fb\"\u003e\u003cp\u003eThe DROP 6 heater, a HUUM UKU control in the panel finish you pick, and 4 boxes of HUUM olivine diabase stone, 121.3 lb (55 kg).\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDoes the package cost more than buying the parts on their own?\u003c\/summary\u003e\u003cdiv class=\"hdrop6pkg-fb\"\u003e\u003cp\u003eNo. The price is the component prices added together at the manufacturer's advertised prices, with nothing added for bundling.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat size room does the DROP 6 heat?\u003c\/summary\u003e\u003cdiv class=\"hdrop6pkg-fb\"\u003e\u003cp\u003eHUUM rates it for 177 to 318 cubic feet at 240 volts, and 142 to 248 cubic feet at 208 volts. Add 3.3 cubic feet for every square foot of uninsulated brick, tile or glass in the room.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eCan I choose a different control?\u003c\/summary\u003e\u003cdiv class=\"hdrop6pkg-fb\"\u003e\u003cp\u003eYes. The package includes a UKU because that is the control HUUM was certified with, and you choose the panel above. HUUM's manual allows any certified sauna control panel, so if you already own one, buy the heater on its own instead.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow many circuits does the DROP 6 need?\u003c\/summary\u003e\u003cdiv class=\"hdrop6pkg-fb\"\u003e\u003cp\u003eOne. HUUM's manual calls for a 30 amp breaker on 10 AWG cable, hardwired by a licensed electrician.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eIs the stone included, and is it enough?\u003c\/summary\u003e\u003cdiv class=\"hdrop6pkg-fb\"\u003e\u003cp\u003eYes. HUUM gives the stone capacity as about 121.3 lb (55 kg), and stone comes in 33 pound boxes, so the package carries 4. Fill the heater as the manual shows: a sparsely filled stone bed is a fire hazard, and the heater must not be switched on until it is properly filled.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eCan I install it myself?\u003c\/summary\u003e\u003cdiv class=\"hdrop6pkg-fb\"\u003e\u003cp\u003eThe heater is hardwired, so a licensed electrician makes the connection. Doing it yourself puts the warranty at risk and usually fails inspection.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eIs the DROP 6 listed for use in the United States?\u003c\/summary\u003e\u003cdiv class=\"hdrop6pkg-fb\"\u003e\u003cp\u003eIt is listed by SGS, not by UL. SGS North America is on OSHA's list of nationally recognized testing laboratories, and it lists the DROP 6 for the United States and Canada under certificate SGSNA\/20\/SUW\/00067X, to UL 60335-1, CAN\/CSA C22.2 No. 60335-1, CAN\/CSA E60335-2-53 and IEC 60335-2-53. The listing applies on the conditions SGS records against it: the heater is used with sauna stones, run from an approved sauna heater controller (the listing was evaluated with the UKU), supplied by conductors rated to at least 90 degrees C, and carries the warning tag on the bottom rung of the frame. Inspectors differ on what they ask to see for a sauna heater, so check with yours before you buy. We can send you the certificate.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat warranty comes with the package?\u003c\/summary\u003e\u003cdiv class=\"hdrop6pkg-fb\"\u003e\u003cp\u003eHUUM's heater warranty runs 3 years in a private sauna and 1 year in commercial use. Heating elements are excluded, which is why we stock them as \u003ca href=\"\/products\/huum-drop-heating-element\"\u003eservice parts\u003c\/a\u003e, and we file any claim for you.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDoes the stone ship free with the package?\u003c\/summary\u003e\u003cdiv class=\"hdrop6pkg-fb\"\u003e\u003cp\u003eYes, to the contiguous 48 states. Inside a package the stone carries no shipping charge; ordered on its own it is charged per box. We do not ship HUUM to Alaska, Hawaii or Puerto Rico.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003cdiv class=\"hdrop6pkg-close\" id=\"order\"\u003e\n\u003cdiv class=\"hdrop6pkg-c\"\u003e\n\u003cp class=\"hdrop6pkg-eyebrow\" style=\"color:#E8A33D\"\u003eOne last thing\u003c\/p\u003e\n\u003ch2\u003eNot sure the DROP 6 is the right output?\u003c\/h2\u003e\n\u003cp\u003eTell us the room size and how the walls are built, and we will size it with you before you order. This package carries the heater, the UKU control and the stone in one price, so the only decision left is the output, and we would rather talk you down a size than sell you the bigger one.\u003c\/p\u003e\n\u003cdiv class=\"hdrop6pkg-who\"\u003e\n\u003cimg class=\"hdrop6pkg-av\" src=\"https:\/\/recoveryroomdirect.com\/cdn\/shop\/files\/recovery_room_direct_specialist_customer_service.png?v=178611576\u0026amp;width=128\" alt=\"Chaddy, sauna specialist at Recovery Room Direct\" width=\"52\" height=\"52\" loading=\"lazy\"\u003e\n\u003cp\u003e\u003cb\u003eChaddy\u003c\/b\u003e\u003cspan\u003eSauna specialist, Recovery Room Direct\u003c\/span\u003e\u003cspan\u003eMonday to Saturday, 9AM to 6PM ET\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ca class=\"hdrop6pkg-btn\" href=\"tel:+18885005675\"\u003eCall (888) 500-5675\u003c\/a\u003e\n\u003ca class=\"hdrop6pkg-up\" href=\"#MainContent\"\u003eReady to order? Scroll up to the buy box\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HUUM","offers":[{"title":"UKU Local, black","offer_id":53520473325935,"sku":"HUUM-PKG-DROP6-LB","price":2888.0,"currency_code":"USD","in_stock":true},{"title":"UKU Local, thermo-ash wood","offer_id":53520473358703,"sku":"HUUM-PKG-DROP6-LW","price":3201.0,"currency_code":"USD","in_stock":true},{"title":"UKU Wi-Fi, black","offer_id":53520473391471,"sku":"HUUM-PKG-DROP6-WB","price":3150.0,"currency_code":"USD","in_stock":true},{"title":"UKU Wi-Fi, thermo-ash wood","offer_id":53520473424239,"sku":"HUUM-PKG-DROP6-WW","price":3463.0,"currency_code":"USD","in_stock":true},{"title":"UKU Wi-Fi, black glass","offer_id":53520473457007,"sku":"HUUM-PKG-DROP6-WG","price":3550.0,"currency_code":"USD","in_stock":true},{"title":"UKU Wi-Fi, mirror","offer_id":53520473489775,"sku":"HUUM-PKG-DROP6-WMR","price":3813.0,"currency_code":"USD","in_stock":true},{"title":"UKU Wi-Fi, gold","offer_id":53520473522543,"sku":"HUUM-PKG-DROP6-WGD","price":3813.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-drop-6-sauna-heater-package-black-control_40cdd444-b1b3-4099-9040-416cc796144f.jpg?v=1790665602"},{"product_id":"huum-drop-4-sauna-heater-package","title":"HUUM DROP 4 Sauna Heater Package, 4.5 kW | UKU Control and Stones","description":"\u003cstyle\u003e.hdrop4pkg{--ink:#1A1410;--body:#463C33;--mut:#54493D;--accent:#96620A;--bright:#E8A33D;--dark:#171310;--sub:#54493D;--tint:#F7F1E6;--fill:#F0E9DB;--hl:#F6E7CB;--line:#DCCFB4;--warm:#DCCFB4;--edge:#CBBBA0;--rule:#DCCFB4;--r-lg:10px;--r-sm:10px;--r-xs:999px;--gut:20px;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:var(--body);line-height:1.65;letter-spacing:normal;-webkit-font-smoothing:antialiased;background:#fff}.hdrop4pkg *{box-sizing:border-box}.hdrop4pkg .hdrop4pkg-c img{margin:0 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.hdrop4pkg-c\u003efigure{max-width:560px;margin-left:auto;margin-right:auto}.hdrop4pkg .hdrop4pkg-close p.hdrop4pkg-eyebrow{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;line-height:1.5}.hdrop4pkg .hdrop4pkg-stat3 a{color:var(--bright)}.hdrop4pkg .hdrop4pkg-faq summary h3{margin:0;font-size:inherit;font-weight:inherit;line-height:inherit;display:inline}.hdrop4pkg .hdrop4pkg-cmp thead a .hdrop4pkg-cmp-here{color:var(--sub);font-weight:600;letter-spacing:.02em;text-transform:none}@media screen and (max-width:560px){.hdrop4pkg .hdrop4pkg-ladder.hdrop4pkg-rooms td:last-child::before{content:\"Rated room:\\00a0\"}.hdrop4pkg .hdrop4pkg-ladder.hdrop4pkg-out td:last-child::before{content:\"Output:\\00a0\"}}.hdrop4pkg .hdrop4pkg-tw + p,.hdrop4pkg .hdrop4pkg-tw + h3,.hdrop4pkg .hdrop4pkg-warn + p,.hdrop4pkg .hdrop4pkg-warn + h3,.hdrop4pkg .hdrop4pkg-more + p{margin-top:24px}.hdrop4pkg .hdrop4pkg-vid iframe{position:absolute;inset:0;width:100%;height:100%;display:block;border:0;background:var(--dark)}\u003c\/style\u003e\n\u003cdiv class=\"hdrop4pkg\"\u003e\n\u003csection id=\"overview\"\u003e\n\u003cdiv class=\"hdrop4pkg-c\"\u003e\n\u003cp class=\"hdrop4pkg-eyebrow\"\u003eThe whole order\u003c\/p\u003e\n\u003cdetails class=\"hdrop4pkg-disc\"\u003e\u003csummary\u003eJump to\u003cspan class=\"hdrop4pkg-ct\"\u003e13 sections\u003c\/span\u003e\u003c\/summary\u003e\u003col\u003e\n\u003cli\u003e\u003ca href=\"#overview\"\u003eOverview\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#video\"\u003eVideo\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#fit\"\u003eWill it fit\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#heater\"\u003eThe heater\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#control\"\u003eThe control\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#electrical\"\u003eBreaker and wire\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#stones\"\u003eStone\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#specs\"\u003eSpecifications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#compare\"\u003eHow it compares\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#crate\"\u003eWhat you get\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#delivery\"\u003eDelivery\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#faq\"\u003eQuestions\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#order\"\u003eOrder\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\u003c\/details\u003e\n\u003ch2\u003eHUUM DROP 4 Sauna Heater Package\u003c\/h2\u003e\n\u003cp class=\"hdrop4pkg-lead\"\u003eA HUUM heater carton holds the heater and its fixings. No control, no stone. This package is the DROP 4 with a UKU control and the 4 boxes of stone HUUM's manual asks for, so nothing is missing when the electrician arrives.\u003c\/p\u003e\n\u003cul class=\"hdrop4pkg-chk\"\u003e\n\u003cli\u003eThe HUUM DROP 4 sauna heater, 4.5 kW\u003c\/li\u003e\n\u003cli\u003eA HUUM UKU control, in the panel finish you pick above\u003c\/li\u003e\n\u003cli\u003e4 boxes of HUUM olivine diabase stone, 121.3 lb (55 kg)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe package price is the component prices added together, at the manufacturer's own advertised prices. Nothing is added for bundling them, and there is no inflated compare at price. Buy the parts separately from us and you pay the same.\u003c\/p\u003e\n\u003cdiv class=\"hdrop4pkg-stat3\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"hdrop4pkg-lbl\"\u003eOutput at 240 volts\u003c\/p\u003e\n\u003cp class=\"hdrop4pkg-big\"\u003e4.5 kW\u003c\/p\u003e\n\u003cp\u003eHUUM's rating on a 240 volt supply. On 208 volts the same heater makes 3.4 kW.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp class=\"hdrop4pkg-lbl\"\u003eRoom it is rated for\u003c\/p\u003e\n\u003cp class=\"hdrop4pkg-big\"\u003e106 to 248 cu. ft.\u003c\/p\u003e\n\u003cp\u003eLength times width times height, with 3.3 cubic feet added for every square foot of uninsulated brick, tile or glass.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp class=\"hdrop4pkg-lbl\"\u003eStone included\u003c\/p\u003e\n\u003cp class=\"hdrop4pkg-big\"\u003e4 boxes\u003c\/p\u003e\n\u003cp\u003eHUUM olivine diabase in 33 pound boxes, covering the capacity HUUM publishes for this heater.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrop4pkg-tinted\" id=\"video\"\u003e\n\u003cdiv class=\"hdrop4pkg-c\"\u003e\n\u003cp class=\"hdrop4pkg-eyebrow\"\u003eWatch\u003c\/p\u003e\n\u003cdiv class=\"hdrop4pkg-vidrow\"\u003e\n\u003cdiv class=\"hdrop4pkg-vid\"\u003e\u003ciframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/K4BQgwESR4c\" title=\"The heat diverter, fitted, HUUM\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003cdiv class=\"hdrop4pkg-vidbody\"\u003e\n\u003ch2\u003eThe heat diverter, fitted\u003c\/h2\u003e\n\u003cp class=\"hdrop4pkg-lead\"\u003eEvery DROP 2.0 ships with the heat diverter. This is how it bolts to the reflector.\u003c\/p\u003e\n\u003cp\u003eHUUM filmed this one itself. Its heater installation films are made for Europe and show European wiring, so we do not use them; the sauna side of the job is the same, but the electrical side is not.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"fit\"\u003e\n\u003cdiv class=\"hdrop4pkg-c\"\u003e\n\u003cp class=\"hdrop4pkg-eyebrow\"\u003eSizing\u003c\/p\u003e\n\u003ch2\u003eWhich DROP package suits your room\u003c\/h2\u003e\n\u003cp class=\"hdrop4pkg-lead\"\u003eEvery package in this series carries the same seven control choices and the same\ngrade of stone. What separates them is output and the room each one is rated for. The stone load is the same across the series, so a bigger package is more heat rather than more mass. There are 4 of them.\u003c\/p\u003e\n\u003cdiv class=\"hdrop4pkg-tw\"\u003e\u003ctable class=\"hdrop4pkg-ladder hdrop4pkg-rooms\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePackage\u003c\/th\u003e\n\u003cth\u003eStone included\u003c\/th\u003e\n\u003cth\u003eRated room at 240 V\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr class=\"hdrop4pkg-on\"\u003e\n\u003ctd class=\"hdrop4pkg-kw\"\u003eDROP 4 \u003cspan class=\"hdrop4pkg-tag\"\u003eThis package\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e4 boxes\u003c\/td\u003e\n\u003ctd\u003e106 to 248 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop4pkg-kw\"\u003e\u003ca href=\"\/products\/huum-drop-6-sauna-heater-package\"\u003eDROP 6\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e4 boxes\u003c\/td\u003e\n\u003ctd\u003e177 to 318 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop4pkg-kw\"\u003e\u003ca href=\"\/products\/huum-drop-7-sauna-heater-package\"\u003eDROP 7\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e4 boxes\u003c\/td\u003e\n\u003ctd\u003e248 to 389 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop4pkg-kw\"\u003e\u003ca href=\"\/products\/huum-drop-9-sauna-heater-package\"\u003eDROP 9\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e4 boxes\u003c\/td\u003e\n\u003ctd\u003e283 to 460 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3\u003eMeasure the room first\u003c\/h3\u003e\n\u003cp\u003eOutput follows the volume of the room rather than its floor, so work in cubic feet: length times\nwidth times height, all in feet. Uninsulated brick, tile or glass pulls heat out of a room faster\nthan a timber wall does, and HUUM's manual answers that by counting an extra 3.3 cubic feet for\nevery square foot of such wall. HUUM does not say whether a glass door counts, so counting it is\nthe cautious choice. If the number lands between two packages, our\n\u003ca href=\"\/pages\/find-your-sauna-heater\"\u003eheater finder\u003c\/a\u003e walks the room with you, or call and we\nwill do it together.\u003c\/p\u003e\n\u003ch3\u003eWhat moves when you change size\u003c\/h3\u003e\n\u003cp\u003eOutput moves with the size and so does the circuit, which is the part people budget late. This\npackage is rated for 106 to 248 cubic feet on a 240 volt supply and 89 to 177 on 208 volts,\nand the breaker and cable HUUM calls for at both voltages are in the specifications below.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrop4pkg-tinted\" id=\"heater\"\u003e\n\u003cdiv class=\"hdrop4pkg-c\"\u003e\n\u003cp class=\"hdrop4pkg-eyebrow\"\u003eThe heater\u003c\/p\u003e\n\u003ch2\u003eWhat the DROP 4 is rated for\u003c\/h2\u003e\n\u003cp class=\"hdrop4pkg-lead\"\u003eHUUM rates the \u003ca href=\"\/products\/huum-drop-4-electric-sauna-heater\"\u003eDROP 4 heater\u003c\/a\u003e for 106 to 248 cubic feet at 240 volts. It hangs on its wall frame, so the floor stays clear, and it measures 15.4 in wide, 13.2 in deep and 23.2 in tall. HUUM gives its stone capacity as about 121.3 lb (55 kg), and \u003ca href=\"\/products\/huum-sauna-stones-5-10-cm\"\u003eits olivine diabase stone\u003c\/a\u003e comes in 33 pound boxes, so this package carries 4 of them and a little stone is left over.\u003c\/p\u003e\n\u003cp\u003eThe DROP is the only HUUM electric heater light enough to travel by parcel, and the only one that hangs with its stone in the open on a wall frame, so the bench plan and the floor stay clear.\u003c\/p\u003e\n\u003cp\u003eOn a 208 volt supply the same heater makes 3.4 kW and is rated for 89 to 177 cubic feet.\u003c\/p\u003e\n\u003cfigure\u003e\u003cdiv class=\"hdrop4pkg-fig\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-drop-4-studio_ca60b58a-5875-4dc4-8a49-1be7f2ef0a1b.jpg?width=1200\" alt=\"HUUM DROP 4 sauna heater\" width=\"2048\" height=\"2048\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003cfigcaption\u003eThe heater in the package, before the stone goes in.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"control\"\u003e\n\u003cdiv class=\"hdrop4pkg-c\"\u003e\n\u003cp class=\"hdrop4pkg-eyebrow\"\u003eThe control\u003c\/p\u003e\n\u003ch2\u003eWhich UKU comes in the package\u003c\/h2\u003e\n\u003cp class=\"hdrop4pkg-lead\"\u003ePick the control at the top of this page and the price moves with it. Every choice is a HUUM UKU: the same control, in a different panel.\u003c\/p\u003e\n\u003cp\u003eThe \u003ca href=\"\/products\/huum-uku-local-sauna-heater-control\"\u003eUKU Local\u003c\/a\u003e runs the heater from the wall panel. The \u003ca href=\"\/products\/huum-uku-wifi-sauna-heater-control\"\u003eUKU Wi-Fi\u003c\/a\u003e adds the phone app, so the room can be hot when you get home. Local comes in black or thermo-ash wood. Wi-Fi adds black glass, mirror and gold.\u003c\/p\u003e\n\u003cp\u003eThe control unit itself mounts outside the hot room, and the panel goes on the wall where you want it. HUUM's manual sets the cable runs, and the cables it needs are in the box.\u003c\/p\u003e\n\u003cfigure\u003e\u003cdiv class=\"hdrop4pkg-fig\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-uku-control-panels-and-app_1310c5b3-eda7-46ef-9dad-4df1ab1127fa.jpg?width=1200\" alt=\"HUUM UKU control panels and app, the control included in this package\" width=\"2000\" height=\"1559\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003cfigcaption\u003eThe UKU panel finishes, and the app the Wi-Fi control adds.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrop4pkg-tinted\" id=\"electrical\"\u003e\n\u003cdiv class=\"hdrop4pkg-c\"\u003e\n\u003cp class=\"hdrop4pkg-eyebrow\"\u003eThe circuit\u003c\/p\u003e\n\u003ch2\u003e18.75 amps at 240 volts\u003c\/h2\u003e\n\u003cp class=\"hdrop4pkg-lead\"\u003eThe DROP 4 draws 18.75 amps at 240 volts, and HUUM's manual calls for a 30 amp breaker on 10 AWG cable. It is hardwired, not plugged in.\u003c\/p\u003e\n\u003cp\u003eA sauna heater is a continuous load, so the National Electrical Code can call for a larger breaker and heavier conductors than the manual's figure, and local amendments differ. Your licensed electrician sizes the circuit and pulls the permit. On this model HUUM's breaker figure is below what the Code's continuous-load rule gives for its rated current, so your electrician and inspector decide the breaker and cable, and they may be larger than HUUM's figure.\u003c\/p\u003e\n\u003ch3\u003eWhy this page quotes two voltages\u003c\/h3\u003e\n\u003cp\u003eThere is nothing to pick here, and nothing on this page selects it. Almost every US home is supplied at 240 volts, while many commercial buildings and some apartment blocks are supplied at 208. It is the same heater and the same part number either way: on 208 volts it draws less and makes less heat, so HUUM publishes a separate output and a smaller room range for it, and the specifications below list both. Your electrician reads the panel and tells you which row applies. At 208 volts HUUM gives 16.35 amps and 20 amps.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"stones\"\u003e\n\u003cdiv class=\"hdrop4pkg-c\"\u003e\n\u003cp class=\"hdrop4pkg-eyebrow\"\u003eStone\u003c\/p\u003e\n\u003ch2\u003eThe stone is already in the order\u003c\/h2\u003e\n\u003cp class=\"hdrop4pkg-lead\"\u003eHUUM gives the DROP 4 a stone capacity of about 121.3 lb (55 kg). Its\n\u003ca href=\"\/products\/huum-sauna-stones-5-10-cm\"\u003eolivine diabase\u003c\/a\u003e is sold in 33 pound boxes, so this package carries 4 of\nthem, which covers it with a little left over.\u003c\/p\u003e\n\u003ch3\u003eWhy the grade is on the label\u003c\/h3\u003e\n\u003cp\u003eThis heater takes stone 2 to 4 inches (5 to 10 cm) across, which is the range HUUM's manual publishes for it. The\nsize matters because the same manual asks for the stones to be laid loosely enough for air to move\nbetween them, and for the heating elements not to show once the bed is filled. HUUM prints a\nwarning that a too sparsely filled stone container is a fire hazard, so the bed has to be both\nfull and open, and stone outside the published range makes that harder to get right.\u003c\/p\u003e\n\u003ch3\u003eHow the stone travels\u003c\/h3\u003e\n\u003cp\u003eStone is heavy and it is the line most quotes get wrong. In this package it goes on the same\norder as the heater and carries no shipping charge to the contiguous 48 states; ordered on its own\nit is charged per box. That is the difference worth checking if you are weighing the package\nagainst the parts.\u003c\/p\u003e\n\u003cfigure\u003e\u003cdiv class=\"hdrop4pkg-fig\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-sauna-stones-olivine_eb67c44f-f019-4c4b-9a62-2a1de5182677_8dc68523-569b-4458-8012-69bf8d9bd542.jpg?width=1200\" alt=\"HUUM olivine diabase sauna stones, included in the package\" width=\"2048\" height=\"1365\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003cfigcaption\u003eHUUM olivine diabase, the stone counted into this package.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrop4pkg-tinted\" id=\"specs\"\u003e\n\u003cdiv class=\"hdrop4pkg-c\"\u003e\n\u003cp class=\"hdrop4pkg-eyebrow\"\u003eSpecifications\u003c\/p\u003e\n\u003ch2\u003eWhat is in this package\u003c\/h2\u003e\n\u003cdiv class=\"hdrop4pkg-tw\"\u003e\u003ctable class=\"hdrop4pkg-spec\"\u003e\n\u003ccaption\u003eHUUM DROP 4 package reference\u003c\/caption\u003e\n\u003ctr\u003e\n\u003cth\u003eHeater\u003c\/th\u003e\n\u003ctd\u003eHUUM DROP 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput at 240 V\u003c\/th\u003e\n\u003ctd\u003e4.5 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRoom at 240 V\u003c\/th\u003e\n\u003ctd\u003e106 to 248 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput at 208 V\u003c\/th\u003e\n\u003ctd\u003e3.4 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRoom at 208 V\u003c\/th\u003e\n\u003ctd\u003e89 to 177 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCurrent at 240 V\u003c\/th\u003e\n\u003ctd\u003e18.75 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBreaker at 240 V\u003c\/th\u003e\n\u003ctd\u003e30 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCable at 240 V\u003c\/th\u003e\n\u003ctd\u003e10 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBreaker at 208 V\u003c\/th\u003e\n\u003ctd\u003e20 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCable at 208 V\u003c\/th\u003e\n\u003ctd\u003e10 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeater size\u003c\/th\u003e\n\u003ctd\u003e15.4 x 13.2 x 23.2 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeater weight, empty\u003c\/th\u003e\n\u003ctd\u003e24.3 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eClearance to the side wall\u003c\/th\u003e\n\u003ctd\u003e3.94 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMinimum gap above\u003c\/th\u003e\n\u003ctd\u003e47.25 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStone in the package\u003c\/th\u003e\n\u003ctd\u003e4 boxes, 121.3 lb (55 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eControl in the package\u003c\/th\u003e\n\u003ctd\u003eHUUM UKU, panel finish as selected\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eExtension box\u003c\/th\u003e\n\u003ctd\u003eNot needed at this output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting\u003c\/th\u003e\n\u003ctd\u003eWall mounted on the supplied frame\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWall to wall across the heater\u003c\/th\u003e\n\u003ctd\u003e23.22 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp\u003eEvery figure is HUUM's own, from the current US manual for this heater.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"compare\"\u003e\n\u003cdiv class=\"hdrop4pkg-c\"\u003e\n\u003cp class=\"hdrop4pkg-eyebrow\"\u003eThe alternatives\u003c\/p\u003e\n\u003ch2\u003eOther HUUM packages that cover a similar room\u003c\/h2\u003e\n\u003cp class=\"hdrop4pkg-lead\"\u003eA room of this size does not tie you to one heater. These HUUM packages have a rated range that overlaps the DROP 4. Those are the 5 closest of 7; the rest are in our \u003ca href=\"\/collections\/sauna-heater-packages\"\u003esauna heater packages\u003c\/a\u003e collection. Overlapping is not the same as interchangeable: check your own cubic feet against each range before you switch, because HUUM ties the warranty to matching the heater to the room.\u003c\/p\u003e\n\u003cdiv class=\"hdrop4pkg-tw\"\u003e\u003ctable class=\"hdrop4pkg-ladder hdrop4pkg-rooms\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePackage\u003c\/th\u003e\n\u003cth\u003eOutput at 240 V\u003c\/th\u003e\n\u003cth\u003eStone included\u003c\/th\u003e\n\u003cth\u003eWhere it sits\u003c\/th\u003e\n\u003cth\u003eRated room\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop4pkg-kw\"\u003e\u003ca href=\"\/products\/huum-cliff-mini-4-sauna-heater-package\"\u003eCLIFF Mini 4\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e4 kW\u003c\/td\u003e\n\u003ctd\u003e4 boxes\u003c\/td\u003e\n\u003ctd\u003eWall mounted\u003c\/td\u003e\n\u003ctd\u003e106 to 177 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop4pkg-kw\"\u003e\u003ca href=\"\/products\/huum-steel-mini-4-sauna-heater-package\"\u003eSTEEL Mini 4\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e4 kW\u003c\/td\u003e\n\u003ctd\u003e4 boxes\u003c\/td\u003e\n\u003ctd\u003eWall mounted\u003c\/td\u003e\n\u003ctd\u003e106 to 177 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"hdrop4pkg-on\"\u003e\n\u003ctd class=\"hdrop4pkg-kw\"\u003eDROP 4 \u003cspan class=\"hdrop4pkg-tag\"\u003eThis package\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e4.5 kW\u003c\/td\u003e\n\u003ctd\u003e4 boxes\u003c\/td\u003e\n\u003ctd\u003eWall mounted\u003c\/td\u003e\n\u003ctd\u003e106 to 248 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop4pkg-kw\"\u003e\u003ca href=\"\/products\/huum-cliff-6-sauna-heater-package\"\u003eCLIFF 6\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e6 kW\u003c\/td\u003e\n\u003ctd\u003e5 boxes\u003c\/td\u003e\n\u003ctd\u003eFloor standing\u003c\/td\u003e\n\u003ctd\u003e177 to 318 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop4pkg-kw\"\u003e\u003ca href=\"\/products\/huum-drop-6-sauna-heater-package\"\u003eDROP 6\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e6 kW\u003c\/td\u003e\n\u003ctd\u003e4 boxes\u003c\/td\u003e\n\u003ctd\u003eWall mounted\u003c\/td\u003e\n\u003ctd\u003e177 to 318 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop4pkg-kw\"\u003e\u003ca href=\"\/products\/huum-hive-mini-6-sauna-heater-package\"\u003eHIVE Mini 6\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e6 kW\u003c\/td\u003e\n\u003ctd\u003e10 boxes\u003c\/td\u003e\n\u003ctd\u003eFloor standing\u003c\/td\u003e\n\u003ctd\u003e177 to 318 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\n\u003ch3\u003eReading the stone column\u003c\/h3\u003e\n\u003cp\u003eTwo heaters of the same output can carry very different stone loads, and HUUM describes its large stone loads as the source of a gentle, long lasting steam. Neither way is better. Where there is a real tie breaker it is usually the last thing on the list, whether the heater hangs on the wall or stands on the floor, which is the Where it sits column.\u003c\/p\u003e\n\u003cp\u003eThe outputs, room ranges and mounting are HUUM's own figures from the current US manual for each\nheater. The box counts are ours, worked from the stone weight HUUM publishes and its 33 pound box.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrop4pkg-tinted\" id=\"crate\"\u003e\n\u003cdiv class=\"hdrop4pkg-c\"\u003e\n\u003cp class=\"hdrop4pkg-eyebrow\"\u003eWhat you get\u003c\/p\u003e\n\u003ch2\u003eWhat arrives, and in how many boxes\u003c\/h2\u003e\n\u003cp class=\"hdrop4pkg-lead\"\u003eA package is three separate cartons rather than one, because the heater, the control and the stone are packed by HUUM as separate lines.\u003c\/p\u003e\n\u003cul class=\"hdrop4pkg-chk\"\u003e\n\u003cli\u003eThe heater, in HUUM's own carton with its fixings and manual\u003c\/li\u003e\n\u003cli\u003eThe UKU control, panel and module, in a separate carton\u003c\/li\u003e\n\u003cli\u003e4 boxes of stone at 33 pounds each\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNothing else is needed to fire it once the electrician has made the connection. The rail, the drip tray and the embedding flange HUUM lists for this heater are optional and ordered separately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"delivery\"\u003e\n\u003cdiv class=\"hdrop4pkg-c\"\u003e\n\u003cp class=\"hdrop4pkg-eyebrow\"\u003eDelivery\u003c\/p\u003e\n\u003ch2\u003eHow the package arrives\u003c\/h2\u003e\n\u003cp class=\"hdrop4pkg-lead\"\u003eThe heater travels by ground parcel, light enough that there is no appointment, no liftgate and no curbside handover to arrange. The stone travels in its own boxes, 4 of them at 33 pounds each, and the control comes in its own carton. They can arrive on different days.\u003c\/p\u003e\n\u003cp\u003eShipping is free to the contiguous 48 states. We do not ship HUUM to Alaska, Hawaii or Puerto Rico. Buying the stone inside a package is what keeps it free; ordered on its own it is charged per box.\u003c\/p\u003e\n\u003cp\u003eLead time runs about 7 to 14 days from order. Open the cartons the day they arrive and check the contents, and tell us within 48 hours of delivery if anything is damaged, with photographs, so we can file the claim. Full terms are on our \u003ca href=\"\/pages\/huum-shipping-policy\"\u003eHUUM shipping policy\u003c\/a\u003e, with the \u003ca href=\"\/pages\/huum-warranty-policy\"\u003ewarranty\u003c\/a\u003e and \u003ca href=\"\/pages\/huum-return-policy\"\u003ereturns\u003c\/a\u003e pages alongside it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrop4pkg-tinted\" id=\"faq\"\u003e\n\u003cdiv class=\"hdrop4pkg-c\"\u003e\n\u003cp class=\"hdrop4pkg-eyebrow\"\u003eQuestions\u003c\/p\u003e\n\u003ch2\u003eQuestions buyers ask about this package\u003c\/h2\u003e\n\u003cdiv class=\"hdrop4pkg-faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is in the HUUM DROP 4 package?\u003c\/summary\u003e\u003cdiv class=\"hdrop4pkg-fb\"\u003e\u003cp\u003eThe DROP 4 heater, a HUUM UKU control in the panel finish you pick, and 4 boxes of HUUM olivine diabase stone, 121.3 lb (55 kg).\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDoes the package cost more than buying the parts on their own?\u003c\/summary\u003e\u003cdiv class=\"hdrop4pkg-fb\"\u003e\u003cp\u003eNo. The price is the component prices added together at the manufacturer's advertised prices, with nothing added for bundling.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat size room does the DROP 4 heat?\u003c\/summary\u003e\u003cdiv class=\"hdrop4pkg-fb\"\u003e\u003cp\u003eHUUM rates it for 106 to 248 cubic feet at 240 volts, and 89 to 177 cubic feet at 208 volts. Add 3.3 cubic feet for every square foot of uninsulated brick, tile or glass in the room.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eCan I choose a different control?\u003c\/summary\u003e\u003cdiv class=\"hdrop4pkg-fb\"\u003e\u003cp\u003eYes. The package includes a UKU because that is the control HUUM was certified with, and you choose the panel above. HUUM's manual allows any certified sauna control panel, so if you already own one, buy the heater on its own instead.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow many circuits does the DROP 4 need?\u003c\/summary\u003e\u003cdiv class=\"hdrop4pkg-fb\"\u003e\u003cp\u003eOne. HUUM's manual calls for a 30 amp breaker on 10 AWG cable, hardwired by a licensed electrician.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eIs the stone included, and is it enough?\u003c\/summary\u003e\u003cdiv class=\"hdrop4pkg-fb\"\u003e\u003cp\u003eYes. HUUM gives the stone capacity as about 121.3 lb (55 kg), and stone comes in 33 pound boxes, so the package carries 4. Fill the heater as the manual shows: a sparsely filled stone bed is a fire hazard, and the heater must not be switched on until it is properly filled.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eCan I install it myself?\u003c\/summary\u003e\u003cdiv class=\"hdrop4pkg-fb\"\u003e\u003cp\u003eThe heater is hardwired, so a licensed electrician makes the connection. Doing it yourself puts the warranty at risk and usually fails inspection.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eIs the DROP 4 listed for use in the United States?\u003c\/summary\u003e\u003cdiv class=\"hdrop4pkg-fb\"\u003e\u003cp\u003eIt is listed by SGS, not by UL. SGS North America is on OSHA's list of nationally recognized testing laboratories, and it lists the DROP 4 for the United States and Canada under certificate SGSNA\/20\/SUW\/00067X, to UL 60335-1, CAN\/CSA C22.2 No. 60335-1, CAN\/CSA E60335-2-53 and IEC 60335-2-53. The listing applies on the conditions SGS records against it: the heater is used with sauna stones, run from an approved sauna heater controller (the listing was evaluated with the UKU), supplied by conductors rated to at least 90 degrees C, and carries the warning tag on the bottom rung of the frame. Inspectors differ on what they ask to see for a sauna heater, so check with yours before you buy. We can send you the certificate.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat warranty comes with the package?\u003c\/summary\u003e\u003cdiv class=\"hdrop4pkg-fb\"\u003e\u003cp\u003eHUUM's heater warranty runs 3 years in a private sauna and 1 year in commercial use. Heating elements are excluded, which is why we stock them as \u003ca href=\"\/products\/huum-drop-heating-element\"\u003eservice parts\u003c\/a\u003e, and we file any claim for you.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDoes the stone ship free with the package?\u003c\/summary\u003e\u003cdiv class=\"hdrop4pkg-fb\"\u003e\u003cp\u003eYes, to the contiguous 48 states. Inside a package the stone carries no shipping charge; ordered on its own it is charged per box. We do not ship HUUM to Alaska, Hawaii or Puerto Rico.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003cdiv class=\"hdrop4pkg-close\" id=\"order\"\u003e\n\u003cdiv class=\"hdrop4pkg-c\"\u003e\n\u003cp class=\"hdrop4pkg-eyebrow\" style=\"color:#E8A33D\"\u003eOne last thing\u003c\/p\u003e\n\u003ch2\u003eNot sure the DROP 4 is the right output?\u003c\/h2\u003e\n\u003cp\u003eTell us the room size and how the walls are built, and we will size it with you before you order. This package carries the heater, the UKU control and the stone in one price, so the only decision left is the output, and we would rather talk you down a size than sell you the bigger one.\u003c\/p\u003e\n\u003cdiv class=\"hdrop4pkg-who\"\u003e\n\u003cimg class=\"hdrop4pkg-av\" src=\"https:\/\/recoveryroomdirect.com\/cdn\/shop\/files\/recovery_room_direct_specialist_customer_service.png?v=178611576\u0026amp;width=128\" alt=\"Chaddy, sauna specialist at Recovery Room Direct\" width=\"52\" height=\"52\" loading=\"lazy\"\u003e\n\u003cp\u003e\u003cb\u003eChaddy\u003c\/b\u003e\u003cspan\u003eSauna specialist, Recovery Room Direct\u003c\/span\u003e\u003cspan\u003eMonday to Saturday, 9AM to 6PM ET\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ca class=\"hdrop4pkg-btn\" href=\"tel:+18885005675\"\u003eCall (888) 500-5675\u003c\/a\u003e\n\u003ca class=\"hdrop4pkg-up\" href=\"#MainContent\"\u003eReady to order? Scroll up to the buy box\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HUUM","offers":[{"title":"UKU Local, black","offer_id":53520479158639,"sku":"HUUM-PKG-DROP4-LB","price":2716.0,"currency_code":"USD","in_stock":true},{"title":"UKU Local, thermo-ash wood","offer_id":53520479191407,"sku":"HUUM-PKG-DROP4-LW","price":3029.0,"currency_code":"USD","in_stock":true},{"title":"UKU Wi-Fi, black","offer_id":53520479224175,"sku":"HUUM-PKG-DROP4-WB","price":2978.0,"currency_code":"USD","in_stock":true},{"title":"UKU Wi-Fi, thermo-ash wood","offer_id":53520479256943,"sku":"HUUM-PKG-DROP4-WW","price":3291.0,"currency_code":"USD","in_stock":true},{"title":"UKU Wi-Fi, black glass","offer_id":53520479289711,"sku":"HUUM-PKG-DROP4-WG","price":3378.0,"currency_code":"USD","in_stock":true},{"title":"UKU Wi-Fi, mirror","offer_id":53520479322479,"sku":"HUUM-PKG-DROP4-WMR","price":3641.0,"currency_code":"USD","in_stock":true},{"title":"UKU Wi-Fi, gold","offer_id":53520479355247,"sku":"HUUM-PKG-DROP4-WGD","price":3641.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-drop-4-sauna-heater-package-black-control.jpg?v=1790665584"},{"product_id":"huum-drop-7-sauna-heater-package","title":"HUUM DROP 7 Sauna Heater Package, 7.5 kW | UKU Control and Stones","description":"\u003cstyle\u003e.hdrop7pkg{--ink:#1A1410;--body:#463C33;--mut:#54493D;--accent:#96620A;--bright:#E8A33D;--dark:#171310;--sub:#54493D;--tint:#F7F1E6;--fill:#F0E9DB;--hl:#F6E7CB;--line:#DCCFB4;--warm:#DCCFB4;--edge:#CBBBA0;--rule:#DCCFB4;--r-lg:10px;--r-sm:10px;--r-xs:999px;--gut:20px;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:var(--body);line-height:1.65;letter-spacing:normal;-webkit-font-smoothing:antialiased;background:#fff}.hdrop7pkg *{box-sizing:border-box}.hdrop7pkg .hdrop7pkg-c img{margin:0 !important;border:0}.hdrop7pkg 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!important;margin:0}.hdrop7pkg .hdrop7pkg-vid video{position:absolute;inset:0;width:100%;height:100%;display:block;border:0;background:var(--dark);object-fit:cover}.hdrop7pkg .hdrop7pkg-vid video:focus-visible{outline:3px solid var(--bright);outline-offset:-3px}.hdrop7pkg .hdrop7pkg-fig{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--edge);background:#fff}.hdrop7pkg .hdrop7pkg-fig img{width:100%;height:auto;display:block;border:0;border-radius:0;box-shadow:none;mix-blend-mode:multiply}.hdrop7pkg .hdrop7pkg-c\u003efigure{max-width:560px;margin-left:auto;margin-right:auto}.hdrop7pkg .hdrop7pkg-close p.hdrop7pkg-eyebrow{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;line-height:1.5}.hdrop7pkg .hdrop7pkg-stat3 a{color:var(--bright)}.hdrop7pkg .hdrop7pkg-faq summary h3{margin:0;font-size:inherit;font-weight:inherit;line-height:inherit;display:inline}.hdrop7pkg .hdrop7pkg-cmp thead a .hdrop7pkg-cmp-here{color:var(--sub);font-weight:600;letter-spacing:.02em;text-transform:none}@media screen and (max-width:560px){.hdrop7pkg .hdrop7pkg-ladder.hdrop7pkg-rooms td:last-child::before{content:\"Rated room:\\00a0\"}.hdrop7pkg .hdrop7pkg-ladder.hdrop7pkg-out td:last-child::before{content:\"Output:\\00a0\"}}.hdrop7pkg .hdrop7pkg-tw + p,.hdrop7pkg .hdrop7pkg-tw + h3,.hdrop7pkg .hdrop7pkg-warn + p,.hdrop7pkg .hdrop7pkg-warn + h3,.hdrop7pkg .hdrop7pkg-more + p{margin-top:24px}.hdrop7pkg .hdrop7pkg-vid iframe{position:absolute;inset:0;width:100%;height:100%;display:block;border:0;background:var(--dark)}\u003c\/style\u003e\n\u003cdiv class=\"hdrop7pkg\"\u003e\n\u003csection id=\"overview\"\u003e\n\u003cdiv class=\"hdrop7pkg-c\"\u003e\n\u003cp class=\"hdrop7pkg-eyebrow\"\u003eThe whole order\u003c\/p\u003e\n\u003cdetails class=\"hdrop7pkg-disc\"\u003e\u003csummary\u003eJump to\u003cspan class=\"hdrop7pkg-ct\"\u003e13 sections\u003c\/span\u003e\u003c\/summary\u003e\u003col\u003e\n\u003cli\u003e\u003ca href=\"#overview\"\u003eOverview\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#video\"\u003eVideo\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#fit\"\u003eWill it fit\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#heater\"\u003eThe heater\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#control\"\u003eThe control\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#electrical\"\u003eBreaker and wire\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#stones\"\u003eStone\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#specs\"\u003eSpecifications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#compare\"\u003eHow it compares\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#crate\"\u003eWhat you get\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#delivery\"\u003eDelivery\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#faq\"\u003eQuestions\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#order\"\u003eOrder\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\u003c\/details\u003e\n\u003ch2\u003eHUUM DROP 7 Sauna Heater Package\u003c\/h2\u003e\n\u003cp class=\"hdrop7pkg-lead\"\u003eA HUUM heater carton holds the heater and its fixings. No control, no stone. This package is the DROP 7 with a UKU control and the 4 boxes of stone HUUM's manual asks for, so nothing is missing when the electrician arrives.\u003c\/p\u003e\n\u003cul class=\"hdrop7pkg-chk\"\u003e\n\u003cli\u003eThe HUUM DROP 7 sauna heater, 7.5 kW\u003c\/li\u003e\n\u003cli\u003eA HUUM UKU control, in the panel finish you pick above\u003c\/li\u003e\n\u003cli\u003e4 boxes of HUUM olivine diabase stone, 121.3 lb (55 kg)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe package price is the component prices added together, at the manufacturer's own advertised prices. Nothing is added for bundling them, and there is no inflated compare at price. Buy the parts separately from us and you pay the same.\u003c\/p\u003e\n\u003cdiv class=\"hdrop7pkg-stat3\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"hdrop7pkg-lbl\"\u003eOutput at 240 volts\u003c\/p\u003e\n\u003cp class=\"hdrop7pkg-big\"\u003e7.5 kW\u003c\/p\u003e\n\u003cp\u003eHUUM's rating on a 240 volt supply. On 208 volts the same heater makes 5.6 kW.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp class=\"hdrop7pkg-lbl\"\u003eRoom it is rated for\u003c\/p\u003e\n\u003cp class=\"hdrop7pkg-big\"\u003e248 to 389 cu. ft.\u003c\/p\u003e\n\u003cp\u003eLength times width times height, with 3.3 cubic feet added for every square foot of uninsulated brick, tile or glass.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp class=\"hdrop7pkg-lbl\"\u003eStone included\u003c\/p\u003e\n\u003cp class=\"hdrop7pkg-big\"\u003e4 boxes\u003c\/p\u003e\n\u003cp\u003eHUUM olivine diabase in 33 pound boxes, covering the capacity HUUM publishes for this heater.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrop7pkg-tinted\" id=\"video\"\u003e\n\u003cdiv class=\"hdrop7pkg-c\"\u003e\n\u003cp class=\"hdrop7pkg-eyebrow\"\u003eWatch\u003c\/p\u003e\n\u003cdiv class=\"hdrop7pkg-vidrow\"\u003e\n\u003cdiv class=\"hdrop7pkg-vid\"\u003e\u003ciframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/K4BQgwESR4c\" title=\"The heat diverter, fitted, HUUM\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003cdiv class=\"hdrop7pkg-vidbody\"\u003e\n\u003ch2\u003eThe heat diverter, fitted\u003c\/h2\u003e\n\u003cp class=\"hdrop7pkg-lead\"\u003eEvery DROP 2.0 ships with the heat diverter. This is how it bolts to the reflector.\u003c\/p\u003e\n\u003cp\u003eHUUM filmed this one itself. Its heater installation films are made for Europe and show European wiring, so we do not use them; the sauna side of the job is the same, but the electrical side is not.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"fit\"\u003e\n\u003cdiv class=\"hdrop7pkg-c\"\u003e\n\u003cp class=\"hdrop7pkg-eyebrow\"\u003eSizing\u003c\/p\u003e\n\u003ch2\u003eWhich DROP package suits your room\u003c\/h2\u003e\n\u003cp class=\"hdrop7pkg-lead\"\u003eEvery package in this series carries the same seven control choices and the same\ngrade of stone. What separates them is output and the room each one is rated for. The stone load is the same across the series, so a bigger package is more heat rather than more mass. There are 4 of them.\u003c\/p\u003e\n\u003cdiv class=\"hdrop7pkg-tw\"\u003e\u003ctable class=\"hdrop7pkg-ladder hdrop7pkg-rooms\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePackage\u003c\/th\u003e\n\u003cth\u003eStone included\u003c\/th\u003e\n\u003cth\u003eRated room at 240 V\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop7pkg-kw\"\u003e\u003ca href=\"\/products\/huum-drop-4-sauna-heater-package\"\u003eDROP 4\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e4 boxes\u003c\/td\u003e\n\u003ctd\u003e106 to 248 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop7pkg-kw\"\u003e\u003ca href=\"\/products\/huum-drop-6-sauna-heater-package\"\u003eDROP 6\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e4 boxes\u003c\/td\u003e\n\u003ctd\u003e177 to 318 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"hdrop7pkg-on\"\u003e\n\u003ctd class=\"hdrop7pkg-kw\"\u003eDROP 7 \u003cspan class=\"hdrop7pkg-tag\"\u003eThis package\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e4 boxes\u003c\/td\u003e\n\u003ctd\u003e248 to 389 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop7pkg-kw\"\u003e\u003ca href=\"\/products\/huum-drop-9-sauna-heater-package\"\u003eDROP 9\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e4 boxes\u003c\/td\u003e\n\u003ctd\u003e283 to 460 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3\u003eMeasure the room first\u003c\/h3\u003e\n\u003cp\u003eOutput follows the volume of the room rather than its floor, so work in cubic feet: length times\nwidth times height, all in feet. Uninsulated brick, tile or glass pulls heat out of a room faster\nthan a timber wall does, and HUUM's manual answers that by counting an extra 3.3 cubic feet for\nevery square foot of such wall. HUUM does not say whether a glass door counts, so counting it is\nthe cautious choice. If the number lands between two packages, our\n\u003ca href=\"\/pages\/find-your-sauna-heater\"\u003eheater finder\u003c\/a\u003e walks the room with you, or call and we\nwill do it together.\u003c\/p\u003e\n\u003ch3\u003eWhat moves when you change size\u003c\/h3\u003e\n\u003cp\u003eOutput moves with the size and so does the circuit, which is the part people budget late. This\npackage is rated for 248 to 389 cubic feet on a 240 volt supply and 177 to 301 on 208 volts,\nand the breaker and cable HUUM calls for at both voltages are in the specifications below.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrop7pkg-tinted\" id=\"heater\"\u003e\n\u003cdiv class=\"hdrop7pkg-c\"\u003e\n\u003cp class=\"hdrop7pkg-eyebrow\"\u003eThe heater\u003c\/p\u003e\n\u003ch2\u003eWhat the DROP 7 is rated for\u003c\/h2\u003e\n\u003cp class=\"hdrop7pkg-lead\"\u003eHUUM rates the \u003ca href=\"\/products\/huum-drop-7-electric-sauna-heater\"\u003eDROP 7 heater\u003c\/a\u003e for 248 to 389 cubic feet at 240 volts. It hangs on its wall frame, so the floor stays clear, and it measures 15.4 in wide, 13.2 in deep and 23.2 in tall. HUUM gives its stone capacity as about 121.3 lb (55 kg), and \u003ca href=\"\/products\/huum-sauna-stones-5-10-cm\"\u003eits olivine diabase stone\u003c\/a\u003e comes in 33 pound boxes, so this package carries 4 of them and a little stone is left over.\u003c\/p\u003e\n\u003cp\u003eThe DROP is the only HUUM electric heater light enough to travel by parcel, and the only one that hangs with its stone in the open on a wall frame, so the bench plan and the floor stay clear.\u003c\/p\u003e\n\u003cp\u003eOn a 208 volt supply the same heater makes 5.6 kW and is rated for 177 to 301 cubic feet.\u003c\/p\u003e\n\u003cfigure\u003e\u003cdiv class=\"hdrop7pkg-fig\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-drop-7-studio_649c5f0e-10e2-4377-909d-ba24318f35b7.jpg?width=1200\" alt=\"HUUM DROP 7 sauna heater\" width=\"2048\" height=\"2048\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003cfigcaption\u003eThe heater in the package, before the stone goes in.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"control\"\u003e\n\u003cdiv class=\"hdrop7pkg-c\"\u003e\n\u003cp class=\"hdrop7pkg-eyebrow\"\u003eThe control\u003c\/p\u003e\n\u003ch2\u003eWhich UKU comes in the package\u003c\/h2\u003e\n\u003cp class=\"hdrop7pkg-lead\"\u003ePick the control at the top of this page and the price moves with it. Every choice is a HUUM UKU: the same control, in a different panel.\u003c\/p\u003e\n\u003cp\u003eThe \u003ca href=\"\/products\/huum-uku-local-sauna-heater-control\"\u003eUKU Local\u003c\/a\u003e runs the heater from the wall panel. The \u003ca href=\"\/products\/huum-uku-wifi-sauna-heater-control\"\u003eUKU Wi-Fi\u003c\/a\u003e adds the phone app, so the room can be hot when you get home. Local comes in black or thermo-ash wood. Wi-Fi adds black glass, mirror and gold.\u003c\/p\u003e\n\u003cp\u003eThe control unit itself mounts outside the hot room, and the panel goes on the wall where you want it. HUUM's manual sets the cable runs, and the cables it needs are in the box.\u003c\/p\u003e\n\u003cfigure\u003e\u003cdiv class=\"hdrop7pkg-fig\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-uku-control-panels-and-app_686ca606-1ffe-4cbe-997f-15b164b329a7.jpg?width=1200\" alt=\"HUUM UKU control panels and app, the control included in this package\" width=\"2000\" height=\"1559\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003cfigcaption\u003eThe UKU panel finishes, and the app the Wi-Fi control adds.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrop7pkg-tinted\" id=\"electrical\"\u003e\n\u003cdiv class=\"hdrop7pkg-c\"\u003e\n\u003cp class=\"hdrop7pkg-eyebrow\"\u003eThe circuit\u003c\/p\u003e\n\u003ch2\u003e31.25 amps at 240 volts\u003c\/h2\u003e\n\u003cp class=\"hdrop7pkg-lead\"\u003eThe DROP 7 draws 31.25 amps at 240 volts, and HUUM's manual calls for a 40 amp breaker on 8 AWG cable. It is hardwired, not plugged in.\u003c\/p\u003e\n\u003cp\u003eA sauna heater is a continuous load, so the National Electrical Code can call for a larger breaker and heavier conductors than the manual's figure, and local amendments differ. Your licensed electrician sizes the circuit and pulls the permit. On this model HUUM's breaker figure is below what the Code's continuous-load rule gives for its rated current, so your electrician and inspector decide the breaker and cable, and they may be larger than HUUM's figure.\u003c\/p\u003e\n\u003ch3\u003eWhy this page quotes two voltages\u003c\/h3\u003e\n\u003cp\u003eThere is nothing to pick here, and nothing on this page selects it. Almost every US home is supplied at 240 volts, while many commercial buildings and some apartment blocks are supplied at 208. It is the same heater and the same part number either way: on 208 volts it draws less and makes less heat, so HUUM publishes a separate output and a smaller room range for it, and the specifications below list both. Your electrician reads the panel and tells you which row applies. At 208 volts HUUM gives 26.92 amps and 30 amps.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"stones\"\u003e\n\u003cdiv class=\"hdrop7pkg-c\"\u003e\n\u003cp class=\"hdrop7pkg-eyebrow\"\u003eStone\u003c\/p\u003e\n\u003ch2\u003eThe stone is already in the order\u003c\/h2\u003e\n\u003cp class=\"hdrop7pkg-lead\"\u003eHUUM gives the DROP 7 a stone capacity of about 121.3 lb (55 kg). Its\n\u003ca href=\"\/products\/huum-sauna-stones-5-10-cm\"\u003eolivine diabase\u003c\/a\u003e is sold in 33 pound boxes, so this package carries 4 of\nthem, which covers it with a little left over.\u003c\/p\u003e\n\u003ch3\u003eWhy the grade is on the label\u003c\/h3\u003e\n\u003cp\u003eThis heater takes stone 2 to 4 inches (5 to 10 cm) across, which is the range HUUM's manual publishes for it. The\nsize matters because the same manual asks for the stones to be laid loosely enough for air to move\nbetween them, and for the heating elements not to show once the bed is filled. HUUM prints a\nwarning that a too sparsely filled stone container is a fire hazard, so the bed has to be both\nfull and open, and stone outside the published range makes that harder to get right.\u003c\/p\u003e\n\u003ch3\u003eHow the stone travels\u003c\/h3\u003e\n\u003cp\u003eStone is heavy and it is the line most quotes get wrong. In this package it goes on the same\norder as the heater and carries no shipping charge to the contiguous 48 states; ordered on its own\nit is charged per box. That is the difference worth checking if you are weighing the package\nagainst the parts.\u003c\/p\u003e\n\u003cfigure\u003e\u003cdiv class=\"hdrop7pkg-fig\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-sauna-stones-olivine_eb67c44f-f019-4c4b-9a62-2a1de5182677_c37e7337-cd6a-4ee7-b5b0-0e5b10cd0003.jpg?width=1200\" alt=\"HUUM olivine diabase sauna stones, included in the package\" width=\"2048\" height=\"1365\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003cfigcaption\u003eHUUM olivine diabase, the stone counted into this package.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrop7pkg-tinted\" id=\"specs\"\u003e\n\u003cdiv class=\"hdrop7pkg-c\"\u003e\n\u003cp class=\"hdrop7pkg-eyebrow\"\u003eSpecifications\u003c\/p\u003e\n\u003ch2\u003eWhat is in this package\u003c\/h2\u003e\n\u003cdiv class=\"hdrop7pkg-tw\"\u003e\u003ctable class=\"hdrop7pkg-spec\"\u003e\n\u003ccaption\u003eHUUM DROP 7 package reference\u003c\/caption\u003e\n\u003ctr\u003e\n\u003cth\u003eHeater\u003c\/th\u003e\n\u003ctd\u003eHUUM DROP 7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput at 240 V\u003c\/th\u003e\n\u003ctd\u003e7.5 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRoom at 240 V\u003c\/th\u003e\n\u003ctd\u003e248 to 389 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput at 208 V\u003c\/th\u003e\n\u003ctd\u003e5.6 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRoom at 208 V\u003c\/th\u003e\n\u003ctd\u003e177 to 301 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCurrent at 240 V\u003c\/th\u003e\n\u003ctd\u003e31.25 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBreaker at 240 V\u003c\/th\u003e\n\u003ctd\u003e40 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCable at 240 V\u003c\/th\u003e\n\u003ctd\u003e8 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBreaker at 208 V\u003c\/th\u003e\n\u003ctd\u003e30 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCable at 208 V\u003c\/th\u003e\n\u003ctd\u003e8 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeater size\u003c\/th\u003e\n\u003ctd\u003e15.4 x 13.2 x 23.2 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeater weight, empty\u003c\/th\u003e\n\u003ctd\u003e26.5 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eClearance to the side wall\u003c\/th\u003e\n\u003ctd\u003e5.5 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMinimum gap above\u003c\/th\u003e\n\u003ctd\u003e47.25 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStone in the package\u003c\/th\u003e\n\u003ctd\u003e4 boxes, 121.3 lb (55 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eControl in the package\u003c\/th\u003e\n\u003ctd\u003eHUUM UKU, panel finish as selected\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eExtension box\u003c\/th\u003e\n\u003ctd\u003eNot needed at this output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting\u003c\/th\u003e\n\u003ctd\u003eWall mounted on the supplied frame\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWall to wall across the heater\u003c\/th\u003e\n\u003ctd\u003e26.38 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp\u003eEvery figure is HUUM's own, from the current US manual for this heater.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"compare\"\u003e\n\u003cdiv class=\"hdrop7pkg-c\"\u003e\n\u003cp class=\"hdrop7pkg-eyebrow\"\u003eThe alternatives\u003c\/p\u003e\n\u003ch2\u003eOther HUUM packages that cover a similar room\u003c\/h2\u003e\n\u003cp class=\"hdrop7pkg-lead\"\u003eA room of this size does not tie you to one heater. These HUUM packages have a rated range that overlaps the DROP 7. Those are the 5 closest of 14; the rest are in our \u003ca href=\"\/collections\/sauna-heater-packages\"\u003esauna heater packages\u003c\/a\u003e collection. Overlapping is not the same as interchangeable: check your own cubic feet against each range before you switch, because HUUM ties the warranty to matching the heater to the room.\u003c\/p\u003e\n\u003cdiv class=\"hdrop7pkg-tw\"\u003e\u003ctable class=\"hdrop7pkg-ladder hdrop7pkg-rooms\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePackage\u003c\/th\u003e\n\u003cth\u003eOutput at 240 V\u003c\/th\u003e\n\u003cth\u003eStone included\u003c\/th\u003e\n\u003cth\u003eWhere it sits\u003c\/th\u003e\n\u003cth\u003eRated room\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr class=\"hdrop7pkg-on\"\u003e\n\u003ctd class=\"hdrop7pkg-kw\"\u003eDROP 7 \u003cspan class=\"hdrop7pkg-tag\"\u003eThis package\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e7.5 kW\u003c\/td\u003e\n\u003ctd\u003e4 boxes\u003c\/td\u003e\n\u003ctd\u003eWall mounted\u003c\/td\u003e\n\u003ctd\u003e248 to 389 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop7pkg-kw\"\u003e\u003ca href=\"\/products\/huum-cliff-9-sauna-heater-package\"\u003eCLIFF 9\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e9 kW\u003c\/td\u003e\n\u003ctd\u003e5 boxes\u003c\/td\u003e\n\u003ctd\u003eFloor standing\u003c\/td\u003e\n\u003ctd\u003e283 to 460 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop7pkg-kw\"\u003e\u003ca href=\"\/products\/huum-drop-9-sauna-heater-package\"\u003eDROP 9\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e9 kW\u003c\/td\u003e\n\u003ctd\u003e4 boxes\u003c\/td\u003e\n\u003ctd\u003eWall mounted\u003c\/td\u003e\n\u003ctd\u003e283 to 460 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop7pkg-kw\"\u003e\u003ca href=\"\/products\/huum-hive-mini-9-sauna-heater-package\"\u003eHIVE Mini 9\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e9 kW\u003c\/td\u003e\n\u003ctd\u003e10 boxes\u003c\/td\u003e\n\u003ctd\u003eFloor standing\u003c\/td\u003e\n\u003ctd\u003e283 to 460 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop7pkg-kw\"\u003e\u003ca href=\"\/products\/huum-steel-9-sauna-heater-package\"\u003eSTEEL 9\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e9 kW\u003c\/td\u003e\n\u003ctd\u003e10 boxes\u003c\/td\u003e\n\u003ctd\u003eFloor standing\u003c\/td\u003e\n\u003ctd\u003e283 to 460 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop7pkg-kw\"\u003e\u003ca href=\"\/products\/huum-core-9-sauna-heater-package\"\u003eCORE 9\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e9 kW\u003c\/td\u003e\n\u003ctd\u003e3 boxes\u003c\/td\u003e\n\u003ctd\u003eFloor standing\u003c\/td\u003e\n\u003ctd\u003e283 to 460 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\n\u003ch3\u003eReading the stone column\u003c\/h3\u003e\n\u003cp\u003eTwo heaters of the same output can carry very different stone loads, and HUUM describes its large stone loads as the source of a gentle, long lasting steam. Neither way is better. Where there is a real tie breaker it is usually the last thing on the list, whether the heater hangs on the wall or stands on the floor, which is the Where it sits column.\u003c\/p\u003e\n\u003cp\u003eThe outputs, room ranges and mounting are HUUM's own figures from the current US manual for each\nheater. The box counts are ours, worked from the stone weight HUUM publishes and its 33 pound box.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrop7pkg-tinted\" id=\"crate\"\u003e\n\u003cdiv class=\"hdrop7pkg-c\"\u003e\n\u003cp class=\"hdrop7pkg-eyebrow\"\u003eWhat you get\u003c\/p\u003e\n\u003ch2\u003eWhat arrives, and in how many boxes\u003c\/h2\u003e\n\u003cp class=\"hdrop7pkg-lead\"\u003eA package is three separate cartons rather than one, because the heater, the control and the stone are packed by HUUM as separate lines.\u003c\/p\u003e\n\u003cul class=\"hdrop7pkg-chk\"\u003e\n\u003cli\u003eThe heater, in HUUM's own carton with its fixings and manual\u003c\/li\u003e\n\u003cli\u003eThe UKU control, panel and module, in a separate carton\u003c\/li\u003e\n\u003cli\u003e4 boxes of stone at 33 pounds each\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNothing else is needed to fire it once the electrician has made the connection. The rail, the drip tray and the embedding flange HUUM lists for this heater are optional and ordered separately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"delivery\"\u003e\n\u003cdiv class=\"hdrop7pkg-c\"\u003e\n\u003cp class=\"hdrop7pkg-eyebrow\"\u003eDelivery\u003c\/p\u003e\n\u003ch2\u003eHow the package arrives\u003c\/h2\u003e\n\u003cp class=\"hdrop7pkg-lead\"\u003eThe heater travels by ground parcel, light enough that there is no appointment, no liftgate and no curbside handover to arrange. The stone travels in its own boxes, 4 of them at 33 pounds each, and the control comes in its own carton. They can arrive on different days.\u003c\/p\u003e\n\u003cp\u003eShipping is free to the contiguous 48 states. We do not ship HUUM to Alaska, Hawaii or Puerto Rico. Buying the stone inside a package is what keeps it free; ordered on its own it is charged per box.\u003c\/p\u003e\n\u003cp\u003eLead time runs about 7 to 14 days from order. Open the cartons the day they arrive and check the contents, and tell us within 48 hours of delivery if anything is damaged, with photographs, so we can file the claim. Full terms are on our \u003ca href=\"\/pages\/huum-shipping-policy\"\u003eHUUM shipping policy\u003c\/a\u003e, with the \u003ca href=\"\/pages\/huum-warranty-policy\"\u003ewarranty\u003c\/a\u003e and \u003ca href=\"\/pages\/huum-return-policy\"\u003ereturns\u003c\/a\u003e pages alongside it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrop7pkg-tinted\" id=\"faq\"\u003e\n\u003cdiv class=\"hdrop7pkg-c\"\u003e\n\u003cp class=\"hdrop7pkg-eyebrow\"\u003eQuestions\u003c\/p\u003e\n\u003ch2\u003eQuestions buyers ask about this package\u003c\/h2\u003e\n\u003cdiv class=\"hdrop7pkg-faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is in the HUUM DROP 7 package?\u003c\/summary\u003e\u003cdiv class=\"hdrop7pkg-fb\"\u003e\u003cp\u003eThe DROP 7 heater, a HUUM UKU control in the panel finish you pick, and 4 boxes of HUUM olivine diabase stone, 121.3 lb (55 kg).\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDoes the package cost more than buying the parts on their own?\u003c\/summary\u003e\u003cdiv class=\"hdrop7pkg-fb\"\u003e\u003cp\u003eNo. The price is the component prices added together at the manufacturer's advertised prices, with nothing added for bundling.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat size room does the DROP 7 heat?\u003c\/summary\u003e\u003cdiv class=\"hdrop7pkg-fb\"\u003e\u003cp\u003eHUUM rates it for 248 to 389 cubic feet at 240 volts, and 177 to 301 cubic feet at 208 volts. Add 3.3 cubic feet for every square foot of uninsulated brick, tile or glass in the room.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eCan I choose a different control?\u003c\/summary\u003e\u003cdiv class=\"hdrop7pkg-fb\"\u003e\u003cp\u003eYes. The package includes a UKU because that is the control HUUM was certified with, and you choose the panel above. HUUM's manual allows any certified sauna control panel, so if you already own one, buy the heater on its own instead.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow many circuits does the DROP 7 need?\u003c\/summary\u003e\u003cdiv class=\"hdrop7pkg-fb\"\u003e\u003cp\u003eOne. HUUM's manual calls for a 40 amp breaker on 8 AWG cable, hardwired by a licensed electrician.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eIs the stone included, and is it enough?\u003c\/summary\u003e\u003cdiv class=\"hdrop7pkg-fb\"\u003e\u003cp\u003eYes. HUUM gives the stone capacity as about 121.3 lb (55 kg), and stone comes in 33 pound boxes, so the package carries 4. Fill the heater as the manual shows: a sparsely filled stone bed is a fire hazard, and the heater must not be switched on until it is properly filled.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eCan I install it myself?\u003c\/summary\u003e\u003cdiv class=\"hdrop7pkg-fb\"\u003e\u003cp\u003eThe heater is hardwired, so a licensed electrician makes the connection. Doing it yourself puts the warranty at risk and usually fails inspection.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eIs the DROP 7 listed for use in the United States?\u003c\/summary\u003e\u003cdiv class=\"hdrop7pkg-fb\"\u003e\u003cp\u003eIt is listed by SGS, not by UL. SGS North America is on OSHA's list of nationally recognized testing laboratories, and it lists the DROP 7 for the United States and Canada under certificate SGSNA\/20\/SUW\/00067X, to UL 60335-1, CAN\/CSA C22.2 No. 60335-1, CAN\/CSA E60335-2-53 and IEC 60335-2-53. The listing applies on the conditions SGS records against it: the heater is used with sauna stones, run from an approved sauna heater controller (the listing was evaluated with the UKU), supplied by conductors rated to at least 90 degrees C, and carries the warning tag on the bottom rung of the frame. Inspectors differ on what they ask to see for a sauna heater, so check with yours before you buy. We can send you the certificate.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat warranty comes with the package?\u003c\/summary\u003e\u003cdiv class=\"hdrop7pkg-fb\"\u003e\u003cp\u003eHUUM's heater warranty runs 3 years in a private sauna and 1 year in commercial use. Heating elements are excluded, which is why we stock them as \u003ca href=\"\/products\/huum-drop-heating-element\"\u003eservice parts\u003c\/a\u003e, and we file any claim for you.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDoes the stone ship free with the package?\u003c\/summary\u003e\u003cdiv class=\"hdrop7pkg-fb\"\u003e\u003cp\u003eYes, to the contiguous 48 states. Inside a package the stone carries no shipping charge; ordered on its own it is charged per box. We do not ship HUUM to Alaska, Hawaii or Puerto Rico.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003cdiv class=\"hdrop7pkg-close\" id=\"order\"\u003e\n\u003cdiv class=\"hdrop7pkg-c\"\u003e\n\u003cp class=\"hdrop7pkg-eyebrow\" style=\"color:#E8A33D\"\u003eOne last thing\u003c\/p\u003e\n\u003ch2\u003eNot sure the DROP 7 is the right output?\u003c\/h2\u003e\n\u003cp\u003eTell us the room size and how the walls are built, and we will size it with you before you order. This package carries the heater, the UKU control and the stone in one price, so the only decision left is the output, and we would rather talk you down a size than sell you the bigger one.\u003c\/p\u003e\n\u003cdiv class=\"hdrop7pkg-who\"\u003e\n\u003cimg class=\"hdrop7pkg-av\" src=\"https:\/\/recoveryroomdirect.com\/cdn\/shop\/files\/recovery_room_direct_specialist_customer_service.png?v=178611576\u0026amp;width=128\" alt=\"Chaddy, sauna specialist at Recovery Room Direct\" width=\"52\" height=\"52\" loading=\"lazy\"\u003e\n\u003cp\u003e\u003cb\u003eChaddy\u003c\/b\u003e\u003cspan\u003eSauna specialist, Recovery Room Direct\u003c\/span\u003e\u003cspan\u003eMonday to Saturday, 9AM to 6PM ET\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ca class=\"hdrop7pkg-btn\" href=\"tel:+18885005675\"\u003eCall (888) 500-5675\u003c\/a\u003e\n\u003ca class=\"hdrop7pkg-up\" href=\"#MainContent\"\u003eReady to order? Scroll up to the buy box\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HUUM","offers":[{"title":"UKU Local, black","offer_id":53520479420783,"sku":"HUUM-PKG-DROP7-LB","price":3054.0,"currency_code":"USD","in_stock":true},{"title":"UKU Local, thermo-ash wood","offer_id":53520479453551,"sku":"HUUM-PKG-DROP7-LW","price":3367.0,"currency_code":"USD","in_stock":true},{"title":"UKU Wi-Fi, black","offer_id":53520479486319,"sku":"HUUM-PKG-DROP7-WB","price":3316.0,"currency_code":"USD","in_stock":true},{"title":"UKU Wi-Fi, thermo-ash wood","offer_id":53520479519087,"sku":"HUUM-PKG-DROP7-WW","price":3629.0,"currency_code":"USD","in_stock":true},{"title":"UKU Wi-Fi, black glass","offer_id":53520479551855,"sku":"HUUM-PKG-DROP7-WG","price":3716.0,"currency_code":"USD","in_stock":true},{"title":"UKU Wi-Fi, mirror","offer_id":53520479584623,"sku":"HUUM-PKG-DROP7-WMR","price":3979.0,"currency_code":"USD","in_stock":true},{"title":"UKU Wi-Fi, gold","offer_id":53520479617391,"sku":"HUUM-PKG-DROP7-WGD","price":3979.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-drop-7-sauna-heater-package-black-control.jpg?v=1790665623"},{"product_id":"huum-drop-9-sauna-heater-package","title":"HUUM DROP 9 Sauna Heater Package, 9 kW | UKU Control and Stones","description":"\u003cstyle\u003e.hdrop9pkg{--ink:#1A1410;--body:#463C33;--mut:#54493D;--accent:#96620A;--bright:#E8A33D;--dark:#171310;--sub:#54493D;--tint:#F7F1E6;--fill:#F0E9DB;--hl:#F6E7CB;--line:#DCCFB4;--warm:#DCCFB4;--edge:#CBBBA0;--rule:#DCCFB4;--r-lg:10px;--r-sm:10px;--r-xs:999px;--gut:20px;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:var(--body);line-height:1.65;letter-spacing:normal;-webkit-font-smoothing:antialiased;background:#fff}.hdrop9pkg *{box-sizing:border-box}.hdrop9pkg .hdrop9pkg-c img{margin:0 !important;border:0}.hdrop9pkg 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!important;margin:0}.hdrop9pkg .hdrop9pkg-vid video{position:absolute;inset:0;width:100%;height:100%;display:block;border:0;background:var(--dark);object-fit:cover}.hdrop9pkg .hdrop9pkg-vid video:focus-visible{outline:3px solid var(--bright);outline-offset:-3px}.hdrop9pkg .hdrop9pkg-fig{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--edge);background:#fff}.hdrop9pkg .hdrop9pkg-fig img{width:100%;height:auto;display:block;border:0;border-radius:0;box-shadow:none;mix-blend-mode:multiply}.hdrop9pkg .hdrop9pkg-c\u003efigure{max-width:560px;margin-left:auto;margin-right:auto}.hdrop9pkg .hdrop9pkg-close p.hdrop9pkg-eyebrow{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;line-height:1.5}.hdrop9pkg .hdrop9pkg-stat3 a{color:var(--bright)}.hdrop9pkg .hdrop9pkg-faq summary h3{margin:0;font-size:inherit;font-weight:inherit;line-height:inherit;display:inline}.hdrop9pkg .hdrop9pkg-cmp thead a .hdrop9pkg-cmp-here{color:var(--sub);font-weight:600;letter-spacing:.02em;text-transform:none}@media screen and (max-width:560px){.hdrop9pkg .hdrop9pkg-ladder.hdrop9pkg-rooms td:last-child::before{content:\"Rated room:\\00a0\"}.hdrop9pkg .hdrop9pkg-ladder.hdrop9pkg-out td:last-child::before{content:\"Output:\\00a0\"}}.hdrop9pkg .hdrop9pkg-tw + p,.hdrop9pkg .hdrop9pkg-tw + h3,.hdrop9pkg .hdrop9pkg-warn + p,.hdrop9pkg .hdrop9pkg-warn + h3,.hdrop9pkg .hdrop9pkg-more + p{margin-top:24px}.hdrop9pkg .hdrop9pkg-vid iframe{position:absolute;inset:0;width:100%;height:100%;display:block;border:0;background:var(--dark)}\u003c\/style\u003e\n\u003cdiv class=\"hdrop9pkg\"\u003e\n\u003csection id=\"overview\"\u003e\n\u003cdiv class=\"hdrop9pkg-c\"\u003e\n\u003cp class=\"hdrop9pkg-eyebrow\"\u003eThe whole order\u003c\/p\u003e\n\u003cdetails class=\"hdrop9pkg-disc\"\u003e\u003csummary\u003eJump to\u003cspan class=\"hdrop9pkg-ct\"\u003e13 sections\u003c\/span\u003e\u003c\/summary\u003e\u003col\u003e\n\u003cli\u003e\u003ca href=\"#overview\"\u003eOverview\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#video\"\u003eVideo\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#fit\"\u003eWill it fit\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#heater\"\u003eThe heater\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#control\"\u003eThe control\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#electrical\"\u003eBreaker and wire\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#stones\"\u003eStone\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#specs\"\u003eSpecifications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#compare\"\u003eHow it compares\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#crate\"\u003eWhat you get\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#delivery\"\u003eDelivery\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#faq\"\u003eQuestions\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#order\"\u003eOrder\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\u003c\/details\u003e\n\u003ch2\u003eHUUM DROP 9 Sauna Heater Package\u003c\/h2\u003e\n\u003cp class=\"hdrop9pkg-lead\"\u003eA HUUM heater carton holds the heater and its fixings. No control, no stone. This package is the DROP 9 with a UKU control and the 4 boxes of stone HUUM's manual asks for, so nothing is missing when the electrician arrives.\u003c\/p\u003e\n\u003cul class=\"hdrop9pkg-chk\"\u003e\n\u003cli\u003eThe HUUM DROP 9 sauna heater, 9 kW\u003c\/li\u003e\n\u003cli\u003eA HUUM UKU control, in the panel finish you pick above\u003c\/li\u003e\n\u003cli\u003e4 boxes of HUUM olivine diabase stone, 121.3 lb (55 kg)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe package price is the component prices added together, at the manufacturer's own advertised prices. Nothing is added for bundling them, and there is no inflated compare at price. Buy the parts separately from us and you pay the same.\u003c\/p\u003e\n\u003cdiv class=\"hdrop9pkg-stat3\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"hdrop9pkg-lbl\"\u003eOutput at 240 volts\u003c\/p\u003e\n\u003cp class=\"hdrop9pkg-big\"\u003e9 kW\u003c\/p\u003e\n\u003cp\u003eHUUM's rating on a 240 volt supply. On 208 volts the same heater makes 6.75 kW.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp class=\"hdrop9pkg-lbl\"\u003eRoom it is rated for\u003c\/p\u003e\n\u003cp class=\"hdrop9pkg-big\"\u003e283 to 460 cu. ft.\u003c\/p\u003e\n\u003cp\u003eLength times width times height, with 3.3 cubic feet added for every square foot of uninsulated brick, tile or glass.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp class=\"hdrop9pkg-lbl\"\u003eStone included\u003c\/p\u003e\n\u003cp class=\"hdrop9pkg-big\"\u003e4 boxes\u003c\/p\u003e\n\u003cp\u003eHUUM olivine diabase in 33 pound boxes, covering the capacity HUUM publishes for this heater.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrop9pkg-tinted\" id=\"video\"\u003e\n\u003cdiv class=\"hdrop9pkg-c\"\u003e\n\u003cp class=\"hdrop9pkg-eyebrow\"\u003eWatch\u003c\/p\u003e\n\u003cdiv class=\"hdrop9pkg-vidrow\"\u003e\n\u003cdiv class=\"hdrop9pkg-vid\"\u003e\u003ciframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/K4BQgwESR4c\" title=\"The heat diverter, fitted, HUUM\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003cdiv class=\"hdrop9pkg-vidbody\"\u003e\n\u003ch2\u003eThe heat diverter, fitted\u003c\/h2\u003e\n\u003cp class=\"hdrop9pkg-lead\"\u003eEvery DROP 2.0 ships with the heat diverter. This is how it bolts to the reflector.\u003c\/p\u003e\n\u003cp\u003eHUUM filmed this one itself. Its heater installation films are made for Europe and show European wiring, so we do not use them; the sauna side of the job is the same, but the electrical side is not.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"fit\"\u003e\n\u003cdiv class=\"hdrop9pkg-c\"\u003e\n\u003cp class=\"hdrop9pkg-eyebrow\"\u003eSizing\u003c\/p\u003e\n\u003ch2\u003eWhich DROP package suits your room\u003c\/h2\u003e\n\u003cp class=\"hdrop9pkg-lead\"\u003eEvery package in this series carries the same seven control choices and the same\ngrade of stone. What separates them is output and the room each one is rated for. The stone load is the same across the series, so a bigger package is more heat rather than more mass. There are 4 of them.\u003c\/p\u003e\n\u003cdiv class=\"hdrop9pkg-tw\"\u003e\u003ctable class=\"hdrop9pkg-ladder hdrop9pkg-rooms\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePackage\u003c\/th\u003e\n\u003cth\u003eStone included\u003c\/th\u003e\n\u003cth\u003eRated room at 240 V\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop9pkg-kw\"\u003e\u003ca href=\"\/products\/huum-drop-4-sauna-heater-package\"\u003eDROP 4\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e4 boxes\u003c\/td\u003e\n\u003ctd\u003e106 to 248 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop9pkg-kw\"\u003e\u003ca href=\"\/products\/huum-drop-6-sauna-heater-package\"\u003eDROP 6\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e4 boxes\u003c\/td\u003e\n\u003ctd\u003e177 to 318 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop9pkg-kw\"\u003e\u003ca href=\"\/products\/huum-drop-7-sauna-heater-package\"\u003eDROP 7\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e4 boxes\u003c\/td\u003e\n\u003ctd\u003e248 to 389 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"hdrop9pkg-on\"\u003e\n\u003ctd class=\"hdrop9pkg-kw\"\u003eDROP 9 \u003cspan class=\"hdrop9pkg-tag\"\u003eThis package\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e4 boxes\u003c\/td\u003e\n\u003ctd\u003e283 to 460 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3\u003eMeasure the room first\u003c\/h3\u003e\n\u003cp\u003eOutput follows the volume of the room rather than its floor, so work in cubic feet: length times\nwidth times height, all in feet. Uninsulated brick, tile or glass pulls heat out of a room faster\nthan a timber wall does, and HUUM's manual answers that by counting an extra 3.3 cubic feet for\nevery square foot of such wall. HUUM does not say whether a glass door counts, so counting it is\nthe cautious choice. If the number lands between two packages, our\n\u003ca href=\"\/pages\/find-your-sauna-heater\"\u003eheater finder\u003c\/a\u003e walks the room with you, or call and we\nwill do it together.\u003c\/p\u003e\n\u003ch3\u003eWhat moves when you change size\u003c\/h3\u003e\n\u003cp\u003eOutput moves with the size and so does the circuit, which is the part people budget late. This\npackage is rated for 283 to 460 cubic feet on a 240 volt supply and 212 to 354 on 208 volts,\nand the breaker and cable HUUM calls for at both voltages are in the specifications below.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrop9pkg-tinted\" id=\"heater\"\u003e\n\u003cdiv class=\"hdrop9pkg-c\"\u003e\n\u003cp class=\"hdrop9pkg-eyebrow\"\u003eThe heater\u003c\/p\u003e\n\u003ch2\u003eWhat the DROP 9 is rated for\u003c\/h2\u003e\n\u003cp class=\"hdrop9pkg-lead\"\u003eHUUM rates the \u003ca href=\"\/products\/huum-drop-9-electric-sauna-heater\"\u003eDROP 9 heater\u003c\/a\u003e for 283 to 460 cubic feet at 240 volts. It hangs on its wall frame, so the floor stays clear, and it measures 15.4 in wide, 13.2 in deep and 23.2 in tall. HUUM gives its stone capacity as about 121.3 lb (55 kg), and \u003ca href=\"\/products\/huum-sauna-stones-5-10-cm\"\u003eits olivine diabase stone\u003c\/a\u003e comes in 33 pound boxes, so this package carries 4 of them and a little stone is left over.\u003c\/p\u003e\n\u003cp\u003eThe DROP is the only HUUM electric heater light enough to travel by parcel, and the only one that hangs with its stone in the open on a wall frame, so the bench plan and the floor stay clear.\u003c\/p\u003e\n\u003cp\u003eOn a 208 volt supply the same heater makes 6.75 kW and is rated for 212 to 354 cubic feet.\u003c\/p\u003e\n\u003cfigure\u003e\u003cdiv class=\"hdrop9pkg-fig\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-drop-9-studio_ab789e8b-9cac-4c45-a767-fa215be238bb.jpg?width=1200\" alt=\"HUUM DROP 9 sauna heater\" width=\"2048\" height=\"2048\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003cfigcaption\u003eThe heater in the package, before the stone goes in.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"control\"\u003e\n\u003cdiv class=\"hdrop9pkg-c\"\u003e\n\u003cp class=\"hdrop9pkg-eyebrow\"\u003eThe control\u003c\/p\u003e\n\u003ch2\u003eWhich UKU comes in the package\u003c\/h2\u003e\n\u003cp class=\"hdrop9pkg-lead\"\u003ePick the control at the top of this page and the price moves with it. Every choice is a HUUM UKU: the same control, in a different panel.\u003c\/p\u003e\n\u003cp\u003eThe \u003ca href=\"\/products\/huum-uku-local-sauna-heater-control\"\u003eUKU Local\u003c\/a\u003e runs the heater from the wall panel. The \u003ca href=\"\/products\/huum-uku-wifi-sauna-heater-control\"\u003eUKU Wi-Fi\u003c\/a\u003e adds the phone app, so the room can be hot when you get home. Local comes in black or thermo-ash wood. Wi-Fi adds black glass, mirror and gold.\u003c\/p\u003e\n\u003cp\u003eThe control unit itself mounts outside the hot room, and the panel goes on the wall where you want it. HUUM's manual sets the cable runs, and the cables it needs are in the box.\u003c\/p\u003e\n\u003cfigure\u003e\u003cdiv class=\"hdrop9pkg-fig\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-uku-control-panels-and-app_dc39df09-be5e-4dfa-94c3-529164268360.jpg?width=1200\" alt=\"HUUM UKU control panels and app, the control included in this package\" width=\"2000\" height=\"1559\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003cfigcaption\u003eThe UKU panel finishes, and the app the Wi-Fi control adds.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrop9pkg-tinted\" id=\"electrical\"\u003e\n\u003cdiv class=\"hdrop9pkg-c\"\u003e\n\u003cp class=\"hdrop9pkg-eyebrow\"\u003eThe circuit\u003c\/p\u003e\n\u003ch2\u003e37.5 amps at 240 volts\u003c\/h2\u003e\n\u003cp class=\"hdrop9pkg-lead\"\u003eThe DROP 9 draws 37.5 amps at 240 volts, and HUUM's manual calls for a 50 amp breaker on 8 AWG cable. It is hardwired, not plugged in.\u003c\/p\u003e\n\u003cp\u003eA sauna heater is a continuous load, so the National Electrical Code can call for a larger breaker and heavier conductors than the manual's figure, and local amendments differ. Your licensed electrician sizes the circuit and pulls the permit. On this model HUUM's breaker figure is below what the Code's continuous-load rule gives for its rated current, so your electrician and inspector decide the breaker and cable, and they may be larger than HUUM's figure.\u003c\/p\u003e\n\u003ch3\u003eWhy this page quotes two voltages\u003c\/h3\u003e\n\u003cp\u003eThere is nothing to pick here, and nothing on this page selects it. Almost every US home is supplied at 240 volts, while many commercial buildings and some apartment blocks are supplied at 208. It is the same heater and the same part number either way: on 208 volts it draws less and makes less heat, so HUUM publishes a separate output and a smaller room range for it, and the specifications below list both. Your electrician reads the panel and tells you which row applies. At 208 volts HUUM gives 32.44 amps and 40 amps.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"stones\"\u003e\n\u003cdiv class=\"hdrop9pkg-c\"\u003e\n\u003cp class=\"hdrop9pkg-eyebrow\"\u003eStone\u003c\/p\u003e\n\u003ch2\u003eThe stone is already in the order\u003c\/h2\u003e\n\u003cp class=\"hdrop9pkg-lead\"\u003eHUUM gives the DROP 9 a stone capacity of about 121.3 lb (55 kg). Its\n\u003ca href=\"\/products\/huum-sauna-stones-5-10-cm\"\u003eolivine diabase\u003c\/a\u003e is sold in 33 pound boxes, so this package carries 4 of\nthem, which covers it with a little left over.\u003c\/p\u003e\n\u003ch3\u003eWhy the grade is on the label\u003c\/h3\u003e\n\u003cp\u003eThis heater takes stone 2 to 4 inches (5 to 10 cm) across, which is the range HUUM's manual publishes for it. The\nsize matters because the same manual asks for the stones to be laid loosely enough for air to move\nbetween them, and for the heating elements not to show once the bed is filled. HUUM prints a\nwarning that a too sparsely filled stone container is a fire hazard, so the bed has to be both\nfull and open, and stone outside the published range makes that harder to get right.\u003c\/p\u003e\n\u003ch3\u003eHow the stone travels\u003c\/h3\u003e\n\u003cp\u003eStone is heavy and it is the line most quotes get wrong. In this package it goes on the same\norder as the heater and carries no shipping charge to the contiguous 48 states; ordered on its own\nit is charged per box. That is the difference worth checking if you are weighing the package\nagainst the parts.\u003c\/p\u003e\n\u003cfigure\u003e\u003cdiv class=\"hdrop9pkg-fig\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-sauna-stones-olivine_eb67c44f-f019-4c4b-9a62-2a1de5182677_e850d66d-aef0-4dab-ab57-727e904dbe6a.jpg?width=1200\" alt=\"HUUM olivine diabase sauna stones, included in the package\" width=\"2048\" height=\"1365\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003cfigcaption\u003eHUUM olivine diabase, the stone counted into this package.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrop9pkg-tinted\" id=\"specs\"\u003e\n\u003cdiv class=\"hdrop9pkg-c\"\u003e\n\u003cp class=\"hdrop9pkg-eyebrow\"\u003eSpecifications\u003c\/p\u003e\n\u003ch2\u003eWhat is in this package\u003c\/h2\u003e\n\u003cdiv class=\"hdrop9pkg-tw\"\u003e\u003ctable class=\"hdrop9pkg-spec\"\u003e\n\u003ccaption\u003eHUUM DROP 9 package reference\u003c\/caption\u003e\n\u003ctr\u003e\n\u003cth\u003eHeater\u003c\/th\u003e\n\u003ctd\u003eHUUM DROP 9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput at 240 V\u003c\/th\u003e\n\u003ctd\u003e9 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRoom at 240 V\u003c\/th\u003e\n\u003ctd\u003e283 to 460 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput at 208 V\u003c\/th\u003e\n\u003ctd\u003e6.75 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRoom at 208 V\u003c\/th\u003e\n\u003ctd\u003e212 to 354 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCurrent at 240 V\u003c\/th\u003e\n\u003ctd\u003e37.5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBreaker at 240 V\u003c\/th\u003e\n\u003ctd\u003e50 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCable at 240 V\u003c\/th\u003e\n\u003ctd\u003e8 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBreaker at 208 V\u003c\/th\u003e\n\u003ctd\u003e40 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCable at 208 V\u003c\/th\u003e\n\u003ctd\u003e8 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeater size\u003c\/th\u003e\n\u003ctd\u003e15.4 x 13.2 x 23.2 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeater weight, empty\u003c\/th\u003e\n\u003ctd\u003e26.5 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eClearance to the side wall\u003c\/th\u003e\n\u003ctd\u003e5.9 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMinimum gap above\u003c\/th\u003e\n\u003ctd\u003e47.25 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStone in the package\u003c\/th\u003e\n\u003ctd\u003e4 boxes, 121.3 lb (55 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eControl in the package\u003c\/th\u003e\n\u003ctd\u003eHUUM UKU, panel finish as selected\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eExtension box\u003c\/th\u003e\n\u003ctd\u003eNot needed at this output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting\u003c\/th\u003e\n\u003ctd\u003eWall mounted on the supplied frame\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWall to wall across the heater\u003c\/th\u003e\n\u003ctd\u003e27.16 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp\u003eEvery figure is HUUM's own, from the current US manual for this heater.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"compare\"\u003e\n\u003cdiv class=\"hdrop9pkg-c\"\u003e\n\u003cp class=\"hdrop9pkg-eyebrow\"\u003eThe alternatives\u003c\/p\u003e\n\u003ch2\u003eOther HUUM packages that cover a similar room\u003c\/h2\u003e\n\u003cp class=\"hdrop9pkg-lead\"\u003eA room of this size does not tie you to one heater. These HUUM packages have a rated range that overlaps the DROP 9. Those are the 5 closest of 15; the rest are in our \u003ca href=\"\/collections\/sauna-heater-packages\"\u003esauna heater packages\u003c\/a\u003e collection. Overlapping is not the same as interchangeable: check your own cubic feet against each range before you switch, because HUUM ties the warranty to matching the heater to the room.\u003c\/p\u003e\n\u003cdiv class=\"hdrop9pkg-tw\"\u003e\u003ctable class=\"hdrop9pkg-ladder hdrop9pkg-rooms\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePackage\u003c\/th\u003e\n\u003cth\u003eOutput at 240 V\u003c\/th\u003e\n\u003cth\u003eStone included\u003c\/th\u003e\n\u003cth\u003eWhere it sits\u003c\/th\u003e\n\u003cth\u003eRated room\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop9pkg-kw\"\u003e\u003ca href=\"\/products\/huum-drop-7-sauna-heater-package\"\u003eDROP 7\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e7.5 kW\u003c\/td\u003e\n\u003ctd\u003e4 boxes\u003c\/td\u003e\n\u003ctd\u003eWall mounted\u003c\/td\u003e\n\u003ctd\u003e248 to 389 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop9pkg-kw\"\u003e\u003ca href=\"\/products\/huum-cliff-9-sauna-heater-package\"\u003eCLIFF 9\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e9 kW\u003c\/td\u003e\n\u003ctd\u003e5 boxes\u003c\/td\u003e\n\u003ctd\u003eFloor standing\u003c\/td\u003e\n\u003ctd\u003e283 to 460 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop9pkg-kw\"\u003e\u003ca href=\"\/products\/huum-hive-mini-9-sauna-heater-package\"\u003eHIVE Mini 9\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e9 kW\u003c\/td\u003e\n\u003ctd\u003e10 boxes\u003c\/td\u003e\n\u003ctd\u003eFloor standing\u003c\/td\u003e\n\u003ctd\u003e283 to 460 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop9pkg-kw\"\u003e\u003ca href=\"\/products\/huum-steel-9-sauna-heater-package\"\u003eSTEEL 9\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e9 kW\u003c\/td\u003e\n\u003ctd\u003e10 boxes\u003c\/td\u003e\n\u003ctd\u003eFloor standing\u003c\/td\u003e\n\u003ctd\u003e283 to 460 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hdrop9pkg-kw\"\u003e\u003ca href=\"\/products\/huum-core-9-sauna-heater-package\"\u003eCORE 9\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e9 kW\u003c\/td\u003e\n\u003ctd\u003e3 boxes\u003c\/td\u003e\n\u003ctd\u003eFloor standing\u003c\/td\u003e\n\u003ctd\u003e283 to 460 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"hdrop9pkg-on\"\u003e\n\u003ctd class=\"hdrop9pkg-kw\"\u003eDROP 9 \u003cspan class=\"hdrop9pkg-tag\"\u003eThis package\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e9 kW\u003c\/td\u003e\n\u003ctd\u003e4 boxes\u003c\/td\u003e\n\u003ctd\u003eWall mounted\u003c\/td\u003e\n\u003ctd\u003e283 to 460 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\n\u003ch3\u003eReading the stone column\u003c\/h3\u003e\n\u003cp\u003eTwo heaters of the same output can carry very different stone loads, and HUUM describes its large stone loads as the source of a gentle, long lasting steam. Neither way is better. Where there is a real tie breaker it is usually the last thing on the list, whether the heater hangs on the wall or stands on the floor, which is the Where it sits column.\u003c\/p\u003e\n\u003cp\u003eThe outputs, room ranges and mounting are HUUM's own figures from the current US manual for each\nheater. The box counts are ours, worked from the stone weight HUUM publishes and its 33 pound box.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrop9pkg-tinted\" id=\"crate\"\u003e\n\u003cdiv class=\"hdrop9pkg-c\"\u003e\n\u003cp class=\"hdrop9pkg-eyebrow\"\u003eWhat you get\u003c\/p\u003e\n\u003ch2\u003eWhat arrives, and in how many boxes\u003c\/h2\u003e\n\u003cp class=\"hdrop9pkg-lead\"\u003eA package is three separate cartons rather than one, because the heater, the control and the stone are packed by HUUM as separate lines.\u003c\/p\u003e\n\u003cul class=\"hdrop9pkg-chk\"\u003e\n\u003cli\u003eThe heater, in HUUM's own carton with its fixings and manual\u003c\/li\u003e\n\u003cli\u003eThe UKU control, panel and module, in a separate carton\u003c\/li\u003e\n\u003cli\u003e4 boxes of stone at 33 pounds each\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNothing else is needed to fire it once the electrician has made the connection. The rail, the drip tray and the embedding flange HUUM lists for this heater are optional and ordered separately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"delivery\"\u003e\n\u003cdiv class=\"hdrop9pkg-c\"\u003e\n\u003cp class=\"hdrop9pkg-eyebrow\"\u003eDelivery\u003c\/p\u003e\n\u003ch2\u003eHow the package arrives\u003c\/h2\u003e\n\u003cp class=\"hdrop9pkg-lead\"\u003eThe heater travels by ground parcel, light enough that there is no appointment, no liftgate and no curbside handover to arrange. The stone travels in its own boxes, 4 of them at 33 pounds each, and the control comes in its own carton. They can arrive on different days.\u003c\/p\u003e\n\u003cp\u003eShipping is free to the contiguous 48 states. We do not ship HUUM to Alaska, Hawaii or Puerto Rico. Buying the stone inside a package is what keeps it free; ordered on its own it is charged per box.\u003c\/p\u003e\n\u003cp\u003eLead time runs about 7 to 14 days from order. Open the cartons the day they arrive and check the contents, and tell us within 48 hours of delivery if anything is damaged, with photographs, so we can file the claim. Full terms are on our \u003ca href=\"\/pages\/huum-shipping-policy\"\u003eHUUM shipping policy\u003c\/a\u003e, with the \u003ca href=\"\/pages\/huum-warranty-policy\"\u003ewarranty\u003c\/a\u003e and \u003ca href=\"\/pages\/huum-return-policy\"\u003ereturns\u003c\/a\u003e pages alongside it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdrop9pkg-tinted\" id=\"faq\"\u003e\n\u003cdiv class=\"hdrop9pkg-c\"\u003e\n\u003cp class=\"hdrop9pkg-eyebrow\"\u003eQuestions\u003c\/p\u003e\n\u003ch2\u003eQuestions buyers ask about this package\u003c\/h2\u003e\n\u003cdiv class=\"hdrop9pkg-faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is in the HUUM DROP 9 package?\u003c\/summary\u003e\u003cdiv class=\"hdrop9pkg-fb\"\u003e\u003cp\u003eThe DROP 9 heater, a HUUM UKU control in the panel finish you pick, and 4 boxes of HUUM olivine diabase stone, 121.3 lb (55 kg).\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDoes the package cost more than buying the parts on their own?\u003c\/summary\u003e\u003cdiv class=\"hdrop9pkg-fb\"\u003e\u003cp\u003eNo. The price is the component prices added together at the manufacturer's advertised prices, with nothing added for bundling.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat size room does the DROP 9 heat?\u003c\/summary\u003e\u003cdiv class=\"hdrop9pkg-fb\"\u003e\u003cp\u003eHUUM rates it for 283 to 460 cubic feet at 240 volts, and 212 to 354 cubic feet at 208 volts. Add 3.3 cubic feet for every square foot of uninsulated brick, tile or glass in the room.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eCan I choose a different control?\u003c\/summary\u003e\u003cdiv class=\"hdrop9pkg-fb\"\u003e\u003cp\u003eYes. The package includes a UKU because that is the control HUUM was certified with, and you choose the panel above. HUUM's manual allows any certified sauna control panel, so if you already own one, buy the heater on its own instead.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow many circuits does the DROP 9 need?\u003c\/summary\u003e\u003cdiv class=\"hdrop9pkg-fb\"\u003e\u003cp\u003eOne. HUUM's manual calls for a 50 amp breaker on 8 AWG cable, hardwired by a licensed electrician.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eIs the stone included, and is it enough?\u003c\/summary\u003e\u003cdiv class=\"hdrop9pkg-fb\"\u003e\u003cp\u003eYes. HUUM gives the stone capacity as about 121.3 lb (55 kg), and stone comes in 33 pound boxes, so the package carries 4. Fill the heater as the manual shows: a sparsely filled stone bed is a fire hazard, and the heater must not be switched on until it is properly filled.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eCan I install it myself?\u003c\/summary\u003e\u003cdiv class=\"hdrop9pkg-fb\"\u003e\u003cp\u003eThe heater is hardwired, so a licensed electrician makes the connection. Doing it yourself puts the warranty at risk and usually fails inspection.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eIs the DROP 9 listed for use in the United States?\u003c\/summary\u003e\u003cdiv class=\"hdrop9pkg-fb\"\u003e\u003cp\u003eIt is listed by SGS, not by UL. SGS North America is on OSHA's list of nationally recognized testing laboratories, and it lists the DROP 9 for the United States and Canada under certificate SGSNA\/20\/SUW\/00067X, to UL 60335-1, CAN\/CSA C22.2 No. 60335-1, CAN\/CSA E60335-2-53 and IEC 60335-2-53. The listing applies on the conditions SGS records against it: the heater is used with sauna stones, run from an approved sauna heater controller (the listing was evaluated with the UKU), supplied by conductors rated to at least 90 degrees C, and carries the warning tag on the bottom rung of the frame. On the 9 kW DROP the certificate also requires the heat deflector to be fitted, and it is in the carton. Inspectors differ on what they ask to see for a sauna heater, so check with yours before you buy. We can send you the certificate.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat warranty comes with the package?\u003c\/summary\u003e\u003cdiv class=\"hdrop9pkg-fb\"\u003e\u003cp\u003eHUUM's heater warranty runs 3 years in a private sauna and 1 year in commercial use. Heating elements are excluded, which is why we stock them as \u003ca href=\"\/products\/huum-drop-heating-element\"\u003eservice parts\u003c\/a\u003e, and we file any claim for you.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDoes the stone ship free with the package?\u003c\/summary\u003e\u003cdiv class=\"hdrop9pkg-fb\"\u003e\u003cp\u003eYes, to the contiguous 48 states. Inside a package the stone carries no shipping charge; ordered on its own it is charged per box. We do not ship HUUM to Alaska, Hawaii or Puerto Rico.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003cdiv class=\"hdrop9pkg-close\" id=\"order\"\u003e\n\u003cdiv class=\"hdrop9pkg-c\"\u003e\n\u003cp class=\"hdrop9pkg-eyebrow\" style=\"color:#E8A33D\"\u003eOne last thing\u003c\/p\u003e\n\u003ch2\u003eNot sure the DROP 9 is the right output?\u003c\/h2\u003e\n\u003cp\u003eTell us the room size and how the walls are built, and we will size it with you before you order. This package carries the heater, the UKU control and the stone in one price, so the only decision left is the output, and we would rather talk you down a size than sell you the bigger one.\u003c\/p\u003e\n\u003cdiv class=\"hdrop9pkg-who\"\u003e\n\u003cimg class=\"hdrop9pkg-av\" src=\"https:\/\/recoveryroomdirect.com\/cdn\/shop\/files\/recovery_room_direct_specialist_customer_service.png?v=178611576\u0026amp;width=128\" alt=\"Chaddy, sauna specialist at Recovery Room Direct\" width=\"52\" height=\"52\" loading=\"lazy\"\u003e\n\u003cp\u003e\u003cb\u003eChaddy\u003c\/b\u003e\u003cspan\u003eSauna specialist, Recovery Room Direct\u003c\/span\u003e\u003cspan\u003eMonday to Saturday, 9AM to 6PM ET\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ca class=\"hdrop9pkg-btn\" href=\"tel:+18885005675\"\u003eCall (888) 500-5675\u003c\/a\u003e\n\u003ca class=\"hdrop9pkg-up\" href=\"#MainContent\"\u003eReady to order? Scroll up to the buy box\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HUUM","offers":[{"title":"UKU Local, black","offer_id":53520479912303,"sku":"HUUM-PKG-DROP9-LB","price":3133.0,"currency_code":"USD","in_stock":true},{"title":"UKU Local, thermo-ash wood","offer_id":53520479945071,"sku":"HUUM-PKG-DROP9-LW","price":3446.0,"currency_code":"USD","in_stock":true},{"title":"UKU Wi-Fi, black","offer_id":53520479977839,"sku":"HUUM-PKG-DROP9-WB","price":3395.0,"currency_code":"USD","in_stock":true},{"title":"UKU Wi-Fi, thermo-ash wood","offer_id":53520480010607,"sku":"HUUM-PKG-DROP9-WW","price":3708.0,"currency_code":"USD","in_stock":true},{"title":"UKU Wi-Fi, black glass","offer_id":53520480043375,"sku":"HUUM-PKG-DROP9-WG","price":3795.0,"currency_code":"USD","in_stock":true},{"title":"UKU Wi-Fi, mirror","offer_id":53520480076143,"sku":"HUUM-PKG-DROP9-WMR","price":4058.0,"currency_code":"USD","in_stock":true},{"title":"UKU Wi-Fi, 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p.hdropel-eyebrow{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;line-height:1.5}.hdropel .hdropel-stat3 a{color:var(--bright)}.hdropel .hdropel-faq summary h3{margin:0;font-size:inherit;font-weight:inherit;line-height:inherit;display:inline}.hdropel .hdropel-cmp thead a .hdropel-cmp-here{color:var(--sub);font-weight:600;letter-spacing:.02em;text-transform:none}@media screen and (max-width:560px){.hdropel .hdropel-ladder.hdropel-rooms td:last-child::before{content:\"Rated room:\\00a0\"}.hdropel .hdropel-ladder.hdropel-out td:last-child::before{content:\"Output:\\00a0\"}}.hdropel .hdropel-tw + p,.hdropel .hdropel-tw + h3,.hdropel .hdropel-warn + p,.hdropel .hdropel-warn + h3,.hdropel .hdropel-more + p{margin-top:24px}\u003c\/style\u003e\n\u003cdiv class=\"hdropel\"\u003e\n\u003csection id=\"overview\"\u003e\n\u003cdiv class=\"hdropel-c\"\u003e\n\u003cp class=\"hdropel-eyebrow\"\u003eService part\u003c\/p\u003e\n\u003ch2\u003eHUUM heating elements for the DROP\u003c\/h2\u003e\n\u003cp class=\"hdropel-lead\"\u003eThe stainless steel heating elements HUUM fits to the DROP. The DROP takes three or five of them depending on the model, and the 9 kW uses both ratings together.\u003c\/p\u003e\n\u003cfigure\u003e\u003cdiv class=\"hdropel-fig\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-drop-heating-element.jpg?width=1200\" alt=\"HUUM stainless steel heating element for DROP sauna heaters\" loading=\"eager\" width=\"1200\" height=\"1200\"\u003e\u003c\/div\u003e\n\u003cfigcaption\u003eHUUM heating elements for the DROP, as HUUM supplies it.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003cdiv class=\"hdropel-stat3\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"hdropel-lbl\"\u003eFits\u003c\/p\u003e\n\u003cp class=\"hdropel-big\"\u003eDROP 4, 6, 7 and 9\u003c\/p\u003e\n\u003cp\u003eRead the model from the heater’s rating plate before you order.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp class=\"hdropel-lbl\"\u003eRatings\u003c\/p\u003e\n\u003cp class=\"hdropel-big\"\u003e1500 W and 2000 W\u003c\/p\u003e\n\u003cp\u003eThe wattages HUUM fits to this family.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp class=\"hdropel-lbl\"\u003eElement size\u003c\/p\u003e\n\u003cp class=\"hdropel-big\"\u003e9 x 14 in\u003c\/p\u003e\n\u003cp\u003eHUUM's published dimensions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdropel-tinted\" id=\"fit\"\u003e\n\u003cdiv class=\"hdropel-c\"\u003e\n\u003cp class=\"hdropel-eyebrow\"\u003eBefore you order\u003c\/p\u003e\n\u003ch2\u003eWhich element your DROP takes\u003c\/h2\u003e\n\u003cp class=\"hdropel-lead\"\u003eOrder by the model and the output on the rating plate. Three of the four DROP sizes run a single rating and the 9 kW runs two together, so the model alone does not settle it.\u003c\/p\u003e\n\u003cdiv class=\"hdropel-tw\"\u003e\u003ctable class=\"hdropel-spec\"\u003e\n\u003ccaption\u003eWhat it fits\u003c\/caption\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eHeater\u003c\/th\u003e\n\u003cth\u003eElement\u003c\/th\u003e\n\u003cth\u003eHow many\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDROP 4\u003c\/td\u003e\n\u003ctd\u003e1500 W\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDROP 6\u003c\/td\u003e\n\u003ctd\u003e2000 W\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDROP 7\u003c\/td\u003e\n\u003ctd\u003e1500 W\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDROP 9\u003c\/td\u003e\n\u003ctd\u003e1500 W and 2000 W\u003c\/td\u003e\n\u003ctd\u003e3 and 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp\u003eA heating element is wired inside the heater, so this is a job for the licensed electrician who connected it, not a home repair. HUUM also asks for all of the elements in a heater to be replaced at the same time, because a new element next to worn ones ages quickly.\u003c\/p\u003e\n\u003cp\u003eHUUM's warranty does not cover heating elements, so these are sold as service parts.\u003c\/p\u003e\n\n\u003cp\u003eElements are the part of a sauna heater that wears. Water poured directly onto them rather than onto the stones shortens their life, and so does running the heater with the stone bed too thin or packed too tightly for air to move. If one element has failed, the others have done the same hours.\u003c\/p\u003e\n\u003cp\u003eOrder by the heater's model and output, not by the year you bought it: HUUM has kept the same element part numbers across the DROP 2.0 change, and the rating plate on your heater is the thing to read.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"specs\"\u003e\n\u003cdiv class=\"hdropel-c\"\u003e\n\u003cp class=\"hdropel-eyebrow\"\u003eReference\u003c\/p\u003e\n\u003ch2\u003eHUUM DROP heating element specifications\u003c\/h2\u003e\n\u003cp class=\"hdropel-lead\"\u003eHUUM's own figures for the two DROP elements.\u003c\/p\u003e\n\u003cdiv class=\"hdropel-tw\"\u003e\u003ctable class=\"hdropel-spec\"\u003e\n\u003ccaption\u003eHUUM heating elements for the DROP reference\u003c\/caption\u003e\n\u003ctr\u003e\n\u003cth\u003ePart numbers\u003c\/th\u003e\n\u003ctd\u003eSP0003 (1500 W), SP0004 (2000 W)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eStainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eElement size\u003c\/th\u003e\n\u003ctd\u003e9 in long, 14 in wide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003ctd\u003eHUUM DROP 4, 6, 7 and 9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"hdropel-tinted\" id=\"faq\"\u003e\n\u003cdiv class=\"hdropel-c\"\u003e\n\u003cp class=\"hdropel-eyebrow\"\u003eBuyer questions\u003c\/p\u003e\n\u003ch2\u003eHUUM DROP heating element questions buyers ask\u003c\/h2\u003e\n\u003cdiv class=\"hdropel-faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003eHow many elements does my DROP take?\u003c\/summary\u003e\u003cdiv class=\"hdropel-fb\"\u003e\u003cp\u003eThree on the DROP 4 and DROP 6, five on the DROP 7 and DROP 9. The DROP 4 and 7 use the 1500 W element, the DROP 6 the 2000 W, and the DROP 9 uses both together.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDo I have to replace all of them at once?\u003c\/summary\u003e\u003cdiv class=\"hdropel-fb\"\u003e\u003cp\u003eHUUM asks for it. The elements in a heater have run the same hours, so one new element beside worn ones fails again sooner.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eCan I fit it myself?\u003c\/summary\u003e\u003cdiv class=\"hdropel-fb\"\u003e\u003cp\u003eThe element wires into the heater's terminal block, so the licensed electrician who connected the heater should do it.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eIs it covered by the warranty?\u003c\/summary\u003e\u003cdiv class=\"hdropel-fb\"\u003e\u003cp\u003eNo. HUUM excludes heating elements, which is why they are sold as service parts.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDoes it fit an older DROP?\u003c\/summary\u003e\u003cdiv class=\"hdropel-fb\"\u003e\u003cp\u003eYes. These part numbers cover DROP heaters bought before and after the 2.0 change. Read the model and output from the rating plate rather than going by the year.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhy did my element fail?\u003c\/summary\u003e\u003cdiv class=\"hdropel-fb\"\u003e\u003cp\u003eUsually water poured onto the element instead of the stones, or a stone bed too thin or packed too tightly for air to move through.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003cdiv class=\"hdropel-close\" id=\"order\"\u003e\n\u003cdiv class=\"hdropel-c\"\u003e\n\u003cp class=\"hdropel-eyebrow\" style=\"color:#E8A33D\"\u003eOne last thing\u003c\/p\u003e\n\u003ch2\u003eRead the rating plate before you order\u003c\/h2\u003e\n\u003cp\u003eTell us the model and the output printed on the heater and we will confirm which element it takes and how many. The DROP 9 runs two ratings together, so the model name on its own is not enough.\u003c\/p\u003e\n\u003cdiv class=\"hdropel-who\"\u003e\n\u003cimg class=\"hdropel-av\" src=\"https:\/\/recoveryroomdirect.com\/cdn\/shop\/files\/recovery_room_direct_specialist_customer_service.png?v=178611576\u0026amp;width=128\" alt=\"Chaddy, sauna specialist at Recovery Room Direct\" width=\"52\" height=\"52\" loading=\"lazy\"\u003e\n\u003cp\u003e\u003cb\u003eChaddy\u003c\/b\u003e\u003cspan\u003eSauna specialist, Recovery Room Direct\u003c\/span\u003e\u003cspan\u003eMonday to Saturday, 9AM to 6PM ET\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ca class=\"hdropel-btn\" href=\"tel:+18885005675\"\u003eCall (888) 500-5675\u003c\/a\u003e\n\u003ca class=\"hdropel-up\" href=\"#MainContent\"\u003eReady to order? Scroll up to the buy box\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HUUM","offers":[{"title":"1500 W","offer_id":53520550822255,"sku":"SP0003","price":109.0,"currency_code":"USD","in_stock":true},{"title":"2000 W","offer_id":53520550855023,"sku":"SP0004","price":109.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/huum-drop-heating-element.jpg?v=1790139459"}],"url":"https:\/\/recoveryroomdirect.com\/collections\/huum-drop.oembed","provider":"Recovery Room Direct","version":"1.0","type":"link"}