Product Description
Some saunas are loaded from within; the Pro 20 SL is loaded from without. Its firebox extends through the wall, so you feed the fire from an adjoining room or the outdoors and keep the sauna itself clear of wood, ash, and the open door. The heat stays where you want it. The work stays where you don't.
At 24.1 kW, the SL brings the same cast-iron glass hatch and stainless steel front, top, and ash box as the standard Pro 20, with a through-wall feed that suits a two-room layout. Adjustable feet level it on any floor.
Per Harvia, the Pro 20 SL suits sauna rooms of roughly 283 to 706 cubic feet. It is a stove for a considered build, and for keeping the ritual on one side of the wall and the fire-tending on the other.
Ideal for: a two-room sauna where the fire is fed from outside the hot room.
The Therapeutic Patio - intentional outdoor living.
We confirm your exact shipping timeline within 1-2 business days of your order - or email us before you buy for the current lead time on this product. Your order ships with free standard shipping to the lower 48. The Pro 20 SL carries a 2-year limited warranty from Harvia for family use. Questions before you order? Email support@thetherapeuticpatio.com or call (225) 535-3580.
Features
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24.1 kW output, sized for rooms of roughly 283 to 706 cubic feet
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Through-wall exterior feed: load and tend the fire from an adjoining room or outdoors
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Cast-iron glass hatch for light and atmosphere in the hot room
- Stainless steel front, top, and ash box
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Adjustable feet for a level install
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Large stone capacity (up to about 88 lbs of 10 to 15 cm stones)
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Flue connection at the back or the top; 115 mm chimney connection
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Wood-burning: no electrical connection or control required
- Ships with stove, stove door, ash box, adjustable legs, and the manual
Specifications
Construction and Installation: Steel body, stainless front/top/ash box, cast-iron glass hatch, through-wall feed tunnel; adjustable feet; flue back or top; 115 mm chimney. Through-wall installs require careful framing and clearance; consult a qualified installer.
Fuel: Wood-burning. Output 24.1 kW.
Dimensions and Capacity: Room size roughly 283 to 706 cu ft. Stone capacity up to about 88 lbs (10 to 15 cm).
What's Included vs. Sold Separately: Included: stove, stove door, ash box, adjustable legs, manual. Sold separately: sauna stones (2-box set offered here), chimney and through-wall hardware.
Warranty: 2-year limited (consumer use) and 6-month limited (commercial use).
Product Manuals
