{"product_id":"k12-5g-club-series-stainless-sauna-heater","title":"K12.5G Club Series 12.5kW Stainless Sauna Heater at 208V 3PH","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp style=\"margin:0 0 16px;\"\u003eDesigned for large private and commercial saunas, the Harvia K12.5G delivers powerful, consistent heat in rooms up to 742 cubic feet. Operating on a 208 V 3‑phase circuit, this heavy‑duty floor‑standing heater produces approximately 12.3 kW (marketed as 12.5 kW) of output. The Harvia Club manual explains that KG‑series heaters are specifically designed to heat large saunas to comfortable bathing temperatures and must not be used for other purposes.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli style=\"margin-bottom:14px;\"\u003e\n\u003cstrong\u003eCommercial‑grade floor model:\u003c\/strong\u003e Made of durable stainless steel with long‑life heating elements, the K12.5G withstands continuous use in busy health clubs, spas and large residential saunas.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin:0 0 16px;\"\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"margin-bottom:14px;\"\u003e\n\u003cstrong\u003eHigh‑power heating:\u003c\/strong\u003e 12.3 kW output (rounded to 12.5 kW) for sauna rooms from 494 to 742 cu ft; operates on a 208 V 3‑phase supply with a 34.1 A current draw and a 40 A line fuse.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin:0 0 16px;\"\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"margin-bottom:14px;\"\u003e\n\u003cstrong\u003eExternal control required:\u003c\/strong\u003e According to Harvia’s manual, KG heaters must be paired with a separate control unit installed outside the sauna. Compatible controls include Harvia Xenio or Griffin models (e.g., CX45‑U1\/U3‑XW) to manage temperature, timer and lighting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin:0 0 16px;\"\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"margin-bottom:14px;\"\u003e\n\u003cstrong\u003eGenerous stone capacity:\u003c\/strong\u003e Holds \u003cstrong\u003e132 lbs of sauna stones\u003c\/strong\u003e (three 44‑lb boxes) to produce abundant, even steam. Use 2–4 ″ (4–8 cm) solid stones and arrange them loosely for proper airflow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin:0 0 16px;\"\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"margin-bottom:14px;\"\u003e\n\u003cstrong\u003eETL certified and warranted:\u003c\/strong\u003e The K12.5G is ETL listed and backed by a 1‑year limited warranty for peace of mind.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;min-width:560px;border-collapse:collapse;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:12px;border:1px solid #ddd;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:12px;border:1px solid #ddd;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;\"\u003eOutput\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e12.3 kW (marketed as 12.5 kW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;\"\u003eVoltage\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e208 VAC, 3‑phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;\"\u003eCurrent\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e34.1 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;\"\u003eLine fuse\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e40 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;\"\u003eRecommended sauna size\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e494–742 cu ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;\"\u003eDimensions (W×D×H)\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e20 ″ × 20 ″ × 33 ″ (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;\"\u003eRock capacity\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e132 lbs of 2–4 ″ stones\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;\"\u003eWeight (empty)\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e~60 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli style=\"margin-bottom:14px;\"\u003eHarvia K12.5G sauna heater (floor‑standing)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin:0 0 16px;\"\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"margin-bottom:14px;\"\u003eInstallation \u0026amp; operation manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin:0 0 16px;\"\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"margin-bottom:14px;\"\u003e1‑year limited warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\n\u003cul\u003e\n\u003cli style=\"margin-bottom:14px;\"\u003e\n\u003cstrong\u003eControl unit:\u003c\/strong\u003e Harvia Xenio or Griffin control system (CX45‑U1\/U3‑XW or similar). A separate control is mandatory for KG heaters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin:0 0 16px;\"\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"margin-bottom:14px;\"\u003e\n\u003cstrong\u003eSauna stones:\u003c\/strong\u003e Approximately 132 lbs of 2–4 ″ (4–8 cm) stones.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cp style=\"margin:0 0 16px;\"\u003eMount the K12.5G on the sauna floor and hard‑wire it to a 208‑V 3‑phase circuit. The control unit and temperature sensor must be located outside the sauna at about 5 ft (1.5 m) height. Use only solid sauna stones (2–4 ″) and arrange them loosely to maintain airflow. Refer to the manual for all clearance and wiring requirements.\u003c\/p\u003e\u003ch3\u003eOperation and Usage\u003c\/h3\u003e\u003cp style=\"margin:0 0 16px;\"\u003eOperate the sauna only as directed in its model-specific manual. Keep combustible items clear of hot surfaces, supervise children, and stop use if the unit is damaged or you feel unwell. Sauna bathing involves heat exposure and dehydration risk; ask a healthcare professional if a condition or medication may affect heat tolerance.\u003c\/p\u003e","brand":"Harvia","offers":[{"title":"Default Title","offer_id":47123381813468,"sku":"HRKGU1220C","price":2086.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/7948\/7708\/files\/k10g-club-series-silver-stainless-sauna-heater-stone-top.jpg?v=1794118024","url":"https:\/\/saunaluxuries.com\/products\/k12-5g-club-series-stainless-sauna-heater","provider":"Sauna Luxuries","version":"1.0","type":"link"}