Harvia 20 Boiler - Classic oven inner furnace with a heat exchanger. The oven is designed for medium-sized saunas, which, for lack of electricity is not possible to heat up the water in an electric heat exchanger. The upper part of the furnace stoves protected from pradegimo - steel thickness of 10 mm. The heater can be installed in the chimney of 22 liter water heater, which will ensure a pleasant moist air bath.
For saunas from 8 m3 to 20 m3. Internal combustion chamber. Stone capacity - 40 kg.
The stones are purchased separately.
Delivery time (d.)
Recommended sauna size (m3)
Dimensions height (mm)
Dimensions width (mm)
Dimensions depth (mm)
Stone capacity max. (kg)
Location of smoke outlets on top: from rear edge to centre of ho
Diameter of smoke outlet (mm)
Fire chamber cover (mm)
Maximum length of firewood, (mm)
Safety distance to front (mm)
Safety distance to sides and back / wood and bricks (mm)
Heater output (kW)
Safety distance from upper surface to ceiling min. (mm)