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Harvia R-991 Sauna Heater Stones | Rounded Olivine Diabase, 2 to 4 in, 33 lb

Harvia R-991 Sauna Heater Stones | Rounded Olivine Diabase, 2 to 4 in, 33 lb

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Rounded olivine diabase, tumbled smooth like river stone. Harvia specifies these for the Spirit, where the stones sit in open view and the look of the stone bed is part of the heater.

One box holds 33 lbs of rounded stone graded 2 to 4 in (5 to 10 cm). Your heater page tells you how many boxes that heater takes. Shipping is charged per box at checkout, including when the stones are ordered with a heater. Order the full amount: Harvia sets a minimum stone charge for every heater, and a half-filled stone space lets the elements radiate straight out at the room instead of into the stone.

Rinse the stones before the first heat. Stack them loosely so air can pass between them, never pack them tight, and restack once a year.

Fits: Spirit SP60E, Spirit SP80E and Spirit SP90E. Harvia specifies this part for those models, and the matching part differs from one family to the next, so check the model name on your heater before you order.

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