{"product_id":"harvia-pro-20-wood-burning-heater-external-feed","title":"Harvia PRO 20 Wood Burning Heater | External Feed","description":"\u003cp\u003e\u003cstrong\u003eExternal Feed Sauna Heating with Flexible Installation and Traditional Wood-Fired Performance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Harvia Pro 20 SL WKPR20SLM wood-burning sauna heater is designed to provide authentic sauna performance with the added convenience of through-the-wall fuel loading. Engineered for users who prefer heating the sauna from an adjacent room or outside the building, this design helps keep the sauna space cleaner by separating firewood handling and ash from the sauna environment.\u003c\/p\u003e\n\u003cp\u003eBuilt with a durable galvanized black and stainless steel construction, the Pro 20 SL combines practical functionality with a refined appearance. Its glass door allows the glow of the fire to enhance the sauna atmosphere, while adjustable feet provide easier installation and stable positioning. Designed for flexibility, the heater also supports optional water tank integration for expanded functionality.\u003c\/p\u003e\n\u003cp\u003eIdeal for small to medium sauna spaces, the Pro 20 SL combines traditional wood-burning performance with installation versatility.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExternal Feed Design:\u003c\/strong\u003e Allows heating from an adjacent room or outside the building.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eThrough-the-Wall Operation:\u003c\/strong\u003e Helps keep the sauna space cleaner by separating fuel loading.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWood-Burning Sauna Heater:\u003c\/strong\u003e Delivers an authentic traditional sauna experience.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eReversible Door Configuration:\u003c\/strong\u003e Door opening direction can be adjusted to fit sauna layouts.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGlass Fire Door:\u003c\/strong\u003e Creates a relaxing atmosphere with visible fire presentation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAdjustable Feet:\u003c\/strong\u003e Supports easier installation and stable positioning on uneven surfaces.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWater Tank Compatibility:\u003c\/strong\u003e Supports connection with a separate water tank system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDurable Mixed Material Construction:\u003c\/strong\u003e Combines galvanized metal and stainless steel elements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eReady for Installation:\u003c\/strong\u003e Includes sauna stones.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eModel:\u003c\/strong\u003e WKPR20SLM \/ Harvia 20SL\u003cbr\u003e\u003cstrong\u003eSeries:\u003c\/strong\u003e Pro 20 SL\u003cbr\u003e\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Wood-Burning Sauna Heater\u003cbr\u003e\u003cstrong\u003eFuel Loading Type:\u003c\/strong\u003e External Feed \/ Through-the-Wall\u003cbr\u003e\u003cstrong\u003eConstruction Material:\u003c\/strong\u003e Galvanized Black Metal \/ Stainless Steel\u003cbr\u003e\u003cstrong\u003eSauna Room Capacity:\u003c\/strong\u003e 282–706 cu. ft.\u003cbr\u003e\u003cstrong\u003eStone Capacity:\u003c\/strong\u003e 90–100 lbs\u003cbr\u003e\u003cstrong\u003eHeater Weight:\u003c\/strong\u003e 153 lbs\u003cbr\u003e\u003cstrong\u003eInstallation Type:\u003c\/strong\u003e Floor Mounted\u003cbr\u003e\u003cstrong\u003eDoor Type:\u003c\/strong\u003e Glass Door\u003cbr\u003e\u003cstrong\u003eLeg Type:\u003c\/strong\u003e Adjustable\u003cbr\u003e\u003cstrong\u003eWater Tank Compatibility:\u003c\/strong\u003e Yes\u003cbr\u003e\u003cstrong\u003eStones Included:\u003c\/strong\u003e Yes\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWidth:\u003c\/strong\u003e 17\"\u003cbr\u003e\u003cstrong\u003eDepth:\u003c\/strong\u003e 20 1\/8\" + 8 5\/8\" Collar (28 3\/4\" Total Depth)\u003cbr\u003e\u003cstrong\u003eHeight:\u003c\/strong\u003e 30\"\u003c\/p\u003e","brand":"Harvia","offers":[{"title":"Default Title","offer_id":51061153825001,"sku":"WKPR20SLM","price":1781.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0788\/2575\/0761\/files\/Harvia_20SL.webp?v=1779109467","url":"https:\/\/betweenliving.com\/products\/harvia-pro-20-wood-burning-heater-external-feed","provider":"Between Living","version":"1.0","type":"link"}