{"product_id":"harvia-wk500-40kw-wood-burning-sauna-stove","title":"Harvia WK500 40 kW Wood-Burning Sauna Stove Black","description":"\u003cp\u003eHarvia WK500 is a 40 kW wood-burning sauna stove built for large sauna rooms and group bathing. With a generous stone amount of 264.6 lbs and a recommended sauna room volume of 706–1766 ft³, it’s designed to deliver steady heat and the classic steam style many people associate with traditional sauna bathing. The black steel body and floor-mounted installation make it a practical choice for purpose-built sauna rooms where durability and consistent performance matter.\u003c\/p\u003e\n\u003cp\u003eFor large spaces, heat stability comes from both output and thermal mass. The WK500 is specified for stone sizes Ø10–15 cm and a maximum stone amount of 120 kg (264.6 lbs), supporting even heat across big rooms and repeated ladling cycles. The recommended room volume range (706–1766 ft³, also listed as 20–50 m³) positions this model for larger private builds and for professional environments such as camp centers, sports facilities, and other service settings where saunas see regular use.\u003c\/p\u003e\n\u003cp\u003eInstallation planning is simplified with multiple connection options. WK500 supports flue connection locations at the back or top, and lists a chimney connection diameter of 140 mm. These options can help fit the stove into different room layouts and chimney paths without forcing awkward compromises in bench placement or heater positioning. Safety clearances are also specified, including front, side, rear, and ceiling distances, along with a minimum recommended room height of 6.56 ft—important details when you’re designing a large sauna room around a high-output wood-burning heater.\u003c\/p\u003e\n\u003cp\u003eBecause the heater is wood-fired, the experience is hands-on and traditional: loading fuel, managing burn, and shaping steam with ladles. If you’re building a large sauna where the heater is intended to be part of the ritual (and not just a background utility), the WK500’s wood fuel design and high output support that approach—especially when paired with proper ventilation, chimney design, and the specified stone load and clearances.\u003c\/p\u003e\n\u003cp\u003eHarvia produces sauna heating products and related sauna equipment, including heaters, saunas, controls, and accessories. The WK500 sits in a lineup intended for users who want a robust heater format and clearly defined technical specifications for planning, installation, and long-term operation in wet-area interior sauna environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTE: This heater requires 6 boxes of sauna stones - sold separately. To make your selection click the 'Bundle \u0026amp; Upgrade' button\u003c\/strong\u003e\u003c\/p\u003e","brand":"Harvia","offers":[{"title":"Default Title","offer_id":42952995995715,"sku":"WK500","price":8184.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/9757\/4979\/files\/WK500_00527bb5-c678-4680-8bb7-e981e09a6d2d.jpg?v=1770886336","url":"https:\/\/inhousewellness.com\/products\/harvia-wk500-40kw-wood-burning-sauna-stove","provider":"inhousewellness","version":"1.0","type":"link"}