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The Harvia 20 SL models are designed for people who want to conveniently heat their sauna from another room or outside the building. The opening direction of the door can be changed, making these stoves even easier to use. SL and Boiler stoves provide great bathing in small and medium-sized saunas. Boiler stoves can be connected to a separate water tank.
All Harvia stoves for through-the-wall heating and Boiler models are equipped with a glass door to give that special feeling. The adjustable legs in 20-series make it easy to install the stove in a straight position despite floor inclination.
The recommended size of the sauna room is 283-706 cu. ft. (8–20 m3) and the maximum amount of stones is 88 lbs (40 kg).
|Sauna room min. cu. ft. (m3)||283 (8)|
|Sauna room max. cu. ft. (m3)||706 (20)|
|Sauna room height min. in (cm)||74 7/8 (190)|
|Stone capacity max. lbs (kg)||88 (40)|
|Dimensions width in (mm)||17 (430)|
|Dimensions height in (mm)||30 (760)|
|Dimensions depth in (mm)||20 + 8 5/8 (510 + 220)|
|Weight lbs (kg)||154 (70)|
|Safety distance to sides and back, masonry walls E, v||2 (50)*|
|Safety distance to sides (B) and back (C), walls and benches made of inflammable materials, in (mm)||11 7/8 (300)|
|Safety distance to front (D) in (mm)||11 7/8 (300)|
|Safety distance from upper surface to ceiling A min. in (mm)||51 1/8 (1300)|
|Fire chamber cover in (mm)||3/8 (10)|
|Location of smoke outlets on top: from rear edge to centre of hole in (mm)||4 3/4 (120)|
|Diameter of smoke outlet in (mm)||4 1/2 (115)|
|* Leave 2″ (50 mm) between the stove and walls, provided that the air can circulate in front and to one side of the stove. If the stove is installed in a recessed wall, leave 4″ (100 mm) between the stove and walls for the air circulation.|