Fitting Sauna Stones in to Electric Heater

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Piling Sauna Stones

The main purpose of the stones in the heater unit is to store enough energy to efficiently vaporize the water thrown on top of the stones to maintain correct humidity in the sauna room. The stones must be changed at least once a year or every 500 hours which ever occurs first.

The heater stones should be solid blocks of stone specially intended for use in the heater. Neither light, porous ceramic “stones“ of the same size nor soft pot stones should be used in the heater, because they may cause the elements temperature to rise too high causing premature failure of the heating elements.

Stone dust should be washed off before piling the stones. The stones should be piled into the stone compartment over the grating, in between the heating elements so that the stones support each other. The weight of the stones should not lie on the heating elements.

The stones should not be piled too tightly to allow the air flow through the heater. The stones should be fitted loosely, and not wedged between the heating elements. Very small stones should not be put into the heater at all. The stones should completely cover the heating elements. However, they should not form a high pile on the elements.

IMPORTANT: Never use the heater without stones as it may cause fire. Use only manufacturer recommended stones. Using unsuitable stones may lead to heating element damage and normally will void the warranty. Never use ceramic stones or other artificial stones of any type!

The stones disintegrate with use. Therefore, they should be rearranged at least once a year or even more often if the sauna is in frequent use. At the same time, any pieces of stones and broken-stone debris should be removed from the stove heating chamber. All disintegrated stones should be replaced with new ones.

IMPORTANT: Do not place objects or devices inside or near the heater which could change the amount or direction of the air flowing through the heater, thus causing heater elements temperature to rise too high, which may set your sauna room on fire!