Piling of the stones
Use protective gloves when piling the stones to the heater because there may be sharp edges in
the heater. If needed wash the stones before you pile them.
Max. amount of stones:
Monolith 6,9‐9 kW 120 kg
Monolith 13,8‐18 kW 220 kg
Piling the stones should be done with care. The stones should be placed so that the gap between
the heating elements and the frame of the heater is completely filled with stones for the whole
height of the heater. The stones should not be placed too tightly together; instead there should be
enough space between the stones to allow air to flow freely. Please make sure that elements
make NOT contact with each other or with the heater frame.
In private use, we recommend olivine, olivine‐dolerite and peridotite stones. The stones should be
smaller than 10 cm in diameter, so that they are easy to pile in between the heating elements and
the mesh frame. In ordinary use the stones should be changed every 2 to 5 years, depending on
how frequently the sauna is used.
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