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🍁Free Shipping on Heaters & Sauna Accessories | Orders Over $350 🍁
Total Price: $1,909.95
Read warranty disclaimer before purchase..
Designed for sauna rooms ranging from 8–20 m³ (283–706 cu. ft.), the Harvia Pro 20 combines durability, performance, and traditional sauna atmosphere. Its spacious stone compartment and steel upper grating provide excellent heat retention and steam production, while the glow of the fire through the cast-iron framed glass door enhances the overall sauna experience.
Built for long-term reliability, the heater features a sturdy 10 mm thick fire chamber cover and a durable graphite black finish. Adjustable feet simplify installation by ensuring stability on uneven surfaces and allowing precise alignment of the chimney connection. For added functionality, the Pro 20 can also be paired with a separate chimney-mounted water tank.
Need help finding the right heater for your sauna? Use our sauna calculator to determine the ideal heater size for your space.
| Model | WKPR20M |
| Heater output kW | 24.1 |
| Sauna room min. cu ft (m³) | 283 (8) |
| Sauna room max. cu ft (m³) | 706 (20) |
| Stone capacity max. lbs (kg) | 88 (40) |
| Dimensions width in (mm) | 17 (430) |
| Dimensions height in (mm) | 30 (760) |
| Dimensions depth in (mm) | 20 (510) |
| Weight lbs (kg) | 132 (60) |
| Safety distance to sides and back, masonry walls E, in (mm) | 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 at rear: from floor to centre of hole in (mm) | 22 (560) |
| 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.
| Weight | 144 lbs |
| Dimensions | 23 × 18.5 × 31 in |
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