{"product_id":"cozy-heat-o-through-wall-wood-burning-sauna-stove","title":"Cozy Heat O Through-Wall Wood-Burning Sauna Stove","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\u003cp\u003eThe Cozy Heat O Through-Wall combines the rounded, stone-rich O-series design with an extended firebox that can be loaded from outside the sauna for a cleaner and more convenient bathing space.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThrough-wall O-series design lets you tend the fire from outside the sauna while preserving the stone-rich look inside\u003c\/li\u003e\n\u003cli\u003eGenerous stone capacity creates softer, fuller steam and steady radiant warmth\u003c\/li\u003e\n\u003cli\u003eCozy Heat-engineered combustion is designed to reduce wood use while producing cleaner exhaust\u003c\/li\u003e\n\u003cli\u003eDistinctive rounded stone surround makes the heater a visual centerpiece of the sauna\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eSauna Volume\u003c\/th\u003e\n\u003cth\u003eStove Weight\u003c\/th\u003e\n\u003cth\u003eStone Capacity\u003c\/th\u003e\n\u003cth\u003eOverall Efficiency\u003c\/th\u003e\n\u003cth\u003eRequired Draft\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e12 kW \/ HEAT12\u003c\/td\u003e\n\u003ctd\u003e210–423 cu. ft. (6–12 m³)\u003c\/td\u003e\n\u003ctd\u003e125 lb\u003c\/td\u003e\n\u003ctd\u003e200 lb\u003c\/td\u003e\n\u003ctd\u003e73.9%\u003c\/td\u003e\n\u003ctd\u003e12 Pa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e18 kW \/ HEAT18\u003c\/td\u003e\n\u003ctd\u003e317–635 cu. ft. (9–18 m³)\u003c\/td\u003e\n\u003ctd\u003e181 lb\u003c\/td\u003e\n\u003ctd\u003e290 lb\u003c\/td\u003e\n\u003ctd\u003e81.3%\u003c\/td\u003e\n\u003ctd\u003e12 Pa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eAdditional Technical Data\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFuel: natural wood logs\u003c\/li\u003e\n\u003cli\u003eFlue connection diameter: 4.48\" (114 mm)\u003c\/li\u003e\n\u003cli\u003eMinimum smoke-flue cross-section: 12.7 sq. in. (7,850 mm²)\u003c\/li\u003e\n\u003cli\u003eMinimum ventilation-opening cross-section: 16.5 sq. in. (10,200 mm²)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eMinimum Safety Clearances to Combustible Materials\u003c\/h3\u003e\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eSides\u003c\/th\u003e\n\u003cth\u003eBack\u003c\/th\u003e\n\u003cth\u003eFront\u003c\/th\u003e\n\u003cth\u003eCeiling\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e12 kW \/ HEAT12\u003c\/td\u003e\n\u003ctd\u003e6.69\" (170 mm)\u003c\/td\u003e\n\u003ctd\u003e9.05\" (230 mm)\u003c\/td\u003e\n\u003ctd\u003e19.68\" (500 mm)\u003c\/td\u003e\n\u003ctd\u003e44.48\" (1,130 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e18 kW \/ HEAT18\u003c\/td\u003e\n\u003ctd\u003e9.05\" (230 mm)\u003c\/td\u003e\n\u003ctd\u003e9.05\" (230 mm)\u003c\/td\u003e\n\u003ctd\u003e19.68\" (500 mm)\u003c\/td\u003e\n\u003ctd\u003e52.75\" (1,340 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eSauna Stone Requirements\u003c\/h3\u003e\u003cp\u003eSauna stones are required for operation and are not included. Approximate stone capacity for the O series is 200 lb for the 12 kW model and 290 lb for the 18 kW model; actual capacity depends on stone size. Use proper sauna stones and follow the manufacturer’s stone-placement instructions.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cp\u003eCozy Heat wood-burning sauna stove in the selected model, heater body and outer frame, 4.48\" (114 mm) chimney connection pipe, upper cleaning hole\/cleaning hatch, glass heater door, ash box, operating tool\/safety cloth, installation and operation manual, and manufacturer's 24-month warranty. Sauna stones, complete chimney\/flue system, floor\/wall protection and installation accessories are not included unless specifically stated.\u003c\/p\u003e\u003ch3\u003eThrough-Wall Installation Requirements\u003c\/h3\u003e\u003cp\u003eThe TW combustion-chamber extension is designed for loading the stove through a wall. For installation in a concrete or brick wall, the manual specifies a minimum wall-opening width of 10.03\" (255 mm) for HEAT12 and 12.40\" (315 mm) for HEAT18, a minimum opening height from the floor of 17.32\" (440 mm) for HEAT12 and 18.50\" (470 mm) for HEAT18, and a maximum wall thickness of 5.9\" (150 mm). Keep the firewood on the grate at the rear of the fire chamber and do not burn wood in the combustion-chamber extension.\u003c\/p\u003e\u003ch3\u003eInstallation Note\u003c\/h3\u003e\u003cp\u003eInstall on a floor with adequate load-bearing capacity and provide required noncombustible floor\/wall protection, ventilation and chimney connection. The stove is not suitable for connection to a shared flue. Required clearances may be reduced only where the manufacturer permits an approved protective wall or equivalent protection. Installation must comply with the Cozy Heat installation manual and applicable local codes; professional installation may be required.\u003c\/p\u003e","brand":"Cozy Heat","offers":[{"title":"12 kW","offer_id":67117917175981,"sku":"COZY O TW 12","price":2182.5,"currency_code":"USD","in_stock":true},{"title":"18 kW","offer_id":67117917208749,"sku":"COZY O TW 18","price":2416.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/5320\/3373\/files\/cozy-12-o-tw-sauna-stove_4.jpg?v=1791061051","url":"https:\/\/urbanpatiopros.com\/products\/cozy-heat-o-through-wall-wood-burning-sauna-stove","provider":"Urban Patio Pros","version":"1.0","type":"link"}