{"title":"FORCED AIR UNIT HEATERS","description":null,"products":[{"product_id":"f102848-category-i-4in-vertical-vent-kit","title":"Category I 4in Vertical Vent Kit","description":"\u003cp\u003eUpgrade your heating system with our 4\" Vertical Vent Kit—a reliable and complete solution for venting your unit heater up to 200K BTU. This all-in-one kit includes everything you need for a smooth installation. All steel parts: a 3 in. to 4 in. adapter, one 4 in. x 36 in. B-vent pipe, two 4 in. x 24 in. vent pipes, a 4 in. 90° elbow, roof flashing, a storm collar, and a vent cap. Designed for vertical venting, this kit ensures proper exhaust flow and optimal performance for your heater. Built with durability in mind, it offers peace of mind and long-lasting reliability. Whether you’re tackling a professional installation or setting up your own garage heating, this vent kit simplifies the process. Trust in quality that works seamlessly and keeps your unit working efficiently when it matters most.\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":42005465202751,"sku":"F102848","price":218.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0607\/2949\/1519\/files\/MRH-HFA-F102848-4IN-VERTICAL-VENTKIT-MI.jpg?v=1790617133"},{"product_id":"category-iii-4in-stainless-steel-horizontal-vent-kit","title":"Category III 4in Stainless Steel Horizontal Vent Kit","description":"\u003cp\u003eCategory III 4in Stainless Steel Horizontal Vent Kit for use with 50,000-200,000 BTU Unit Heaters\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":42005465268287,"sku":"F102860","price":732.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0607\/2949\/1519\/files\/f102860-stainless_vent_kit_4in.jpg?v=1757110233"},{"product_id":"120v-light-duty-thermostat","title":"120V Light Duty Thermostat","description":"\u003cp\u003e120V Light Duty Thermostat\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":42005467365439,"sku":"10392","price":100.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0607\/2949\/1519\/files\/10392.jpg?v=1757110263"},{"product_id":"80-000-btu-indirect-fired-unit-industrial-heater-with-ng-to-lp-conversion-kit-2","title":"80,000 BTU Indirect Fired Utility Industrial Heater with NG to LP Conversion Kit","description":"\u003cp\u003eIf you are looking to turn your garage or barn into a work space you can use all year-round, you will have to find a safe quiet and reliable heat source.  This 80,000 BTU Natural Gas Unit heater is the way to go.  It uses a built-in electric high velocity fan to pull cool air into the rear of the heater, across a heat exchanger, then forcing warm air into the surrounding areas.  These heaters only require 115v AC power and can be vented vertically or horizontally - please check local codes and restrictions.  With a mounting clearance of only 1 inch, the supplied brackets, external access to power, and thermostat connections - installation is a cinch.  With the Durable Spark ignition and robust factory standard self-diagnostic control module, we can offer a 3 year factory warranty on all parts and burners and a 10 year warranty on any defects in the heat exchanger.  This heater offers the operating versatility and safety that you have come to expect from Heatstar.\u003c\/p\u003e","brand":"HeatStar","offers":[{"title":"Default Title","offer_id":42005490761791,"sku":"F160561","price":637.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0607\/2949\/1519\/files\/HSU80-Clipped.jpg?v=1790617025"},{"product_id":"125-000-btu-indirect-fired-unit-industrial-heater-with-ng-to-lp-conversion-kit-3","title":"125,000 BTU Indirect Fired Utility Industrial Heater with NG to LP Conversion Kit","description":"\u003cp\u003eIf you are looking to turn your garage or barn into a work space you can use all year-round, you will have to find a safe quiet and reliable heat source.  This 125,000 BTU Natural Gas Unit heater is the way to go.  It uses a built-in electric high velocity fan to pull cool air into the rear of the heater, across a heat exchanger, then forcing warm air into the surrounding areas.  These heaters only require 115v AC power and can be vented vertically or horizontally - please check local codes and restrictions.  With a mounting clearance of only 1 inch, the supplied brackets, external access to power, and thermostat connections - installation is a cinch.  With the Durable Spark ignition and robust factory standard self-diagnostic control module, we can offer a 3 year factory warranty on all parts and burners and a 10 year warranty on any defects in the heat exchanger.  This heater offers the operating versatility and safety that you have come to expect from HeatStar.\u003c\/p\u003e","brand":"HeatStar","offers":[{"title":"Default Title","offer_id":42005490794559,"sku":"F160491","price":9999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0607\/2949\/1519\/files\/HSU125NG_MasterImage.jpg?v=1790616953"},{"product_id":"50-000-btu-indirect-fired-unit-industrial-heater-with-ng-to-lp-conversion-kit","title":"50,000 BTU Indirect Fired Utility Industrial Heater with NG to LP Conversion Kit","description":"\u003cp\u003eIf you are looking to turn your garage or barn into a work space you can use all year-round, you will have to find a safe quiet and reliable heat source.  This 50,000 BTU Natural Gas Unit heater is the way to go.  It uses a built-in electric high velocity fan to pull cool air into the rear of the heater, across a heat exchanger, then forcing warm air into the surrounding areas.  These heaters only require 115v AC power and can be vented vertically or horizontally - please check local codes and restrictions.  With a mounting clearance of only 1 inch, the supplied brackets, external access to power, and thermostat connections - installation is a cinch.  With the Durable Spark ignition and robust factory standard self-diagnostic control module, we can offer a 3 year factory warranty on all parts and burners and a 10 year warranty on any defects in the heat exchanger.  This heater offers the operating versatility and safety that you have come to expect from HeatStar.\u003c\/p\u003e","brand":"HeatStar","offers":[{"title":"Default Title","offer_id":42005491122239,"sku":"F160551","price":543.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0607\/2949\/1519\/files\/hsu50-clipped-700.jpg?v=1757112273"},{"product_id":"thermostat-pa","title":"Thermostat","description":"\u003cp\u003eHeatStar Thermostat is compatible with the Big Maxx series of Unit Heaters\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":42005492039743,"sku":"F200042","price":44.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0607\/2949\/1519\/files\/hspa-thermostat.jpg?v=1757112349"},{"product_id":"150-000-btu-power-vented-aluminized-steel-heat-exchanger-unit-heater","title":"150,000 BTU Power Vented Aluminized Steel Heat Exchanger Unit Heater","description":"\u003cp\u003eThe HeatStar 150,000 BTU Power Vented Unit Heater provides big heat for big spaces. With 150,000 BTU heat, the heater spreads warmth through factories or warehouses up to 5,000 sq ft. A fan pulls air from the room to be heated, and the power vent system pumps exhaust out of the building through a single vent pipe. The design minimizes labor and makes for easy installation. Air louvers with three locking positions control the direction of the heat. Work in warmth with the HeatStar 150,000 BTU Power Vented Unit Heater.\u003c\/p\u003e","brand":"HeatStar","offers":[{"title":"Default Title","offer_id":42005494464575,"sku":"F163062","price":99999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0607\/2949\/1519\/files\/hsu150.jpg?v=1757112247"},{"product_id":"200-000-btu-power-vented-aluminized-steel-heat-exchanger-unit-heater","title":"200,000 BTU Power Vented Aluminized Steel Heat Exchanger Unit Heater","description":"\u003cp\u003eThe HeatStar 200,000 BTU Power Vented Unit Heater provides big heat for big spaces. With 200,000 BTU heat, the heater spreads warmth through factories or warehouses up to 6,700 sq ft. A fan pulls air from the room to be heated, and the power vent system pumps exhaust out of the building through a single vent pipe. The design minimizes labor and makes for easy installation. Air louvers with three locking positions control the direction of the heat. Work in warmth with the HeatStar 200,000 BTU Power Vented Unit Heater.\u003c\/p\u003e","brand":"HeatStar","offers":[{"title":"Default Title","offer_id":42005494497343,"sku":"F163063","price":99999.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0607\/2949\/1519\/files\/hsu200.jpg?v=1757112254"},{"product_id":"250-000-btu-power-vented-aluminized-steel-heat-exchanger-unit-heater","title":"250,000 BTU Power Vented Aluminized Steel Heat Exchanger Unit Heater","description":"\u003cp\u003eThe HeatStar 250,000 BTU Power Vented Unit Heater provides big heat for big spaces. With 250,000 BTU heat, the heater spreads warmth through factories or warehouses up to 8,400 sq ft. A fan pulls air from the room to be heated, and the power vent system pumps exhaust out of the building through a single vent pipe. The design minimizes labor and makes for easy installation. Air louvers with three locking positions control the direction of the heat. Work in warmth with the HeatStar 250,000 BTU Power Vented Unit Heater.\u003c\/p\u003e","brand":"HeatStar","offers":[{"title":"Default Title","offer_id":42005494530111,"sku":"F163064","price":99999.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0607\/2949\/1519\/files\/hsu250.jpg?v=1757112260"},{"product_id":"300-000-btu-power-vented-aluminized-steel-heat-exchanger-unit-heater","title":"300,000 BTU Power Vented Aluminized Steel Heat Exchanger Unit Heater","description":"\u003cp\u003eThe HeatStar 300,000 BTU Power Vented Unit Heater provides big heat for big spaces. With 300,000 BTU heat, the heater spreads warmth through factories or warehouses up to 10,000 sq ft. A fan pulls air from the room to be heated, and the power vent system pumps exhaust out of the building through a single vent pipe. The design minimizes labor and makes for easy installation. Air louvers with three locking positions control the direction of the heat. Work in warmth with the HeatStar 300,000 BTU Power Vented Unit Heater.\u003c\/p\u003e","brand":"HeatStar","offers":[{"title":"Default Title","offer_id":42005494562879,"sku":"F163065","price":99999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0607\/2949\/1519\/files\/hsu300.jpg?v=1757112266"},{"product_id":"400-000-btu-power-vented-aluminized-steel-heat-exchanger-unit-heater","title":"400,000 BTU Power Vented Aluminized Steel Heat Exchanger Unit Heater","description":"\u003cp\u003eThe HeatStar 400,000 BTU Power Vented Unit Heater provides big heat for big spaces. With 400,000 BTU heat, the heater spreads warmth through factories or warehouses up to 13,400 sq ft. A fan pulls air from the room to be heated, and the power vent system pumps exhaust out of the building through a single vent pipe. The design minimizes labor and makes for easy installation. Air louvers with three locking positions control the direction of the heat. Work in warmth with the HeatStar 400,000 BTU Power Vented Unit Heater.\u003c\/p\u003e","brand":"HeatStar","offers":[{"title":"Default Title","offer_id":42005494595647,"sku":"F163066","price":99999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0607\/2949\/1519\/files\/hsu400.jpg?v=1757112111"},{"product_id":"200-000-btu-power-vented-stainless-steel-heat-exchanger-unit-heater","title":"200,000 BTU Power Vented Stainless Steel Heat Exchanger Unit Heater","description":"\u003cp\u003eThe HeatStar 200,000 BTU Power Vented Unit Heater provides big heat for big spaces. 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With 250,000 BTU heat, the heater spreads warmth through factories or warehouses up to 8,400 sq ft. A fan pulls air from the room to be heated, and the power vent system pumps exhaust out of the building through a single vent pipe. A stainless steel heat exchanger helps protect against rust. The design minimizes labor and makes for easy installation. Air louvers with three locking positions control the direction of the heat. Work in warmth with the HeatStar 250,000 BTU Power Vented Unit Heater.\u003c\/p\u003e","brand":"HeatStar","offers":[{"title":"Default Title","offer_id":42005494693951,"sku":"F163054","price":99999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0607\/2949\/1519\/files\/hsu250_1.jpg?v=1757112130"},{"product_id":"300-000-btu-power-vented-stainless-steel-heat-exchanger-unit-heater","title":"300,000 BTU Power Vented Stainless Steel Heat Exchanger Unit Heater","description":"\u003cp\u003eThe HeatStar 300,000 BTU Power Vented Unit Heater provides big heat for big spaces. With 300,000 BTU heat, the heater spreads warmth through factories or warehouses up to 10,000 sq ft. A fan pulls air from the room to be heated, and the power vent system pumps exhaust out of the building through a single vent pipe. A stainless steel heat exchanger helps protect against rust. The design minimizes labor and makes for easy installation. Air louvers with three locking positions control the direction of the heat. Work in warmth with the HeatStar 300,000 BTU Power Vented Unit Heater.\u003c\/p\u003e","brand":"HeatStar","offers":[{"title":"Default Title","offer_id":42005494726719,"sku":"F163055","price":99999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0607\/2949\/1519\/files\/hsu300_1.jpg?v=1757112136"},{"product_id":"400-000-btu-power-vented-stainless-steel-heat-exchanger-unit-heater","title":"400,000 BTU Power Vented Stainless Steel Heat Exchanger Unit Heater","description":"\u003cp\u003eThe HeatStar 400,000 BTU Power Vented Unit Heater provides big heat for big spaces. With 400,000 BTU heat, the heater spreads warmth through factories or warehouses up to 13,400 sq ft. A fan pulls air from the room to be heated, and the power vent system pumps exhaust out of the building through a single vent pipe. A stainless steel heat exchanger helps protect against rust. The design minimizes labor and makes for easy installation. Air louvers with three locking positions control the direction of the heat. Work in warmth with the HeatStar 400,000 BTU Power Vented Unit Heater.\u003c\/p\u003e","brand":"HeatStar","offers":[{"title":"Default Title","offer_id":42005494759487,"sku":"F163056","price":99999.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0607\/2949\/1519\/files\/hsu400_1.jpg?v=1757112142"},{"product_id":"150-000-btu-separated-combustion-aluminized-steel-heat-exchanger-unit-heater","title":"150,000 BTU Separated Combustion Aluminized Steel Heat Exchanger Unit Heater","description":"\u003cp\u003eThe HeatStar 150,000 BTU Separated Combustion Unit Heater is your heat solution for factory or farm. The unit heater provides 150,000 BTU of efficient heat to cover areas up to 5,000 sq ft. Using fresh air from outside the building, the heater can be used in humid or corrosive areas, giving you an option for greenhouses or chemical factories. It can also be installed in a standard combustion configuration for versatility. The air louvers have three locking positions to direct heat where it is needed. Keep your workplace warm with the HeatStar 150,000 BTU Separated Combustion Unit Heater.\u003c\/p\u003e","brand":"HeatStar","offers":[{"title":"Default Title","offer_id":42005494792255,"sku":"F163042","price":99999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0607\/2949\/1519\/files\/hsu150_1.jpg?v=1757112148"},{"product_id":"200-000-btu-separated-combustion-aluminized-steel-heat-exchanger-unit-heater","title":"200,000 BTU Separated Combustion Aluminized Steel Heat Exchanger Unit Heater","description":"\u003cp\u003eThe HeatStar 200,000 BTU Separated Combustion Unit Heater is your heat solution for factory or farm. The unit heater provides 200,000 BTU of efficient heat to cover areas up to 6,700 sq ft. Using fresh air from outside the building, the heater can be used in humid or corrosive areas, giving you an option for greenhouses or chemical factories. It can also be installed in a standard combustion configuration for versatility. The air louvers have three locking positions to direct heat where it is needed. Keep your workplace warm with the HeatStar 200,000 BTU Separated Combustion Unit Heater.\u003c\/p\u003e","brand":"HeatStar","offers":[{"title":"Default Title","offer_id":42005494825023,"sku":"F163043","price":99999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0607\/2949\/1519\/files\/hsu200_2.jpg?v=1757112154"},{"product_id":"250-000-btu-separated-combustion-aluminized-steel-heat-exchanger-unit-heater","title":"250,000 BTU Separated Combustion Aluminized Steel Heat Exchanger Unit Heater","description":"\u003cp\u003eThe HeatStar 250,000 BTU Separated Combustion Unit Heater is your heat solution for factory or farm. The unit heater provides 250,000 BTU of efficient heat to cover areas up to 8,400 sq ft. Using fresh air from outside the building, the heater can be used in humid or corrosive areas, giving you an option for greenhouses or chemical factories. It can also be installed in a standard combustion configuration for versatility. The air louvers have three locking positions to direct heat where it is needed. Keep your workplace warm with the HeatStar 250,000 BTU Separated Combustion Unit Heater.\u003c\/p\u003e","brand":"HeatStar","offers":[{"title":"Default Title","offer_id":42005494890559,"sku":"F163044","price":99999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0607\/2949\/1519\/files\/hsu250_2.jpg?v=1757112435"},{"product_id":"300-000-btu-separated-combustion-aluminized-steel-heat-exchanger-unit-heater","title":"300,000 BTU Separated Combustion Aluminized Steel Heat Exchanger Unit Heater","description":"\u003cp\u003eThe HeatStar 300,000 BTU Separated Combustion Unit Heater is your heat solution for factory or farm. The unit heater provides 300,000 BTU of efficient heat to cover areas up to 10,000 sq ft. Using fresh air from outside the building, the heater can be used in humid or corrosive areas, giving you an option for greenhouses or chemical factories. It can also be installed in a standard combustion configuration for versatility. The air louvers have three locking positions to direct heat where it is needed. Keep your workplace warm with the HeatStar 300,000 BTU Separated Combustion Unit Heater.\u003c\/p\u003e","brand":"HeatStar","offers":[{"title":"Default Title","offer_id":42005494923327,"sku":"F163045","price":99999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0607\/2949\/1519\/files\/hsu300_2.jpg?v=1757112442"},{"product_id":"400-000-btu-separated-combustion-aluminized-steel-heat-exchanger-unit-heater","title":"400,000 BTU Separated Combustion Aluminized Steel Heat Exchanger Unit Heater","description":"\u003cp\u003eThe HeatStar 400,000 BTU Separated Combustion Unit Heater is your heat solution for factory or farm. The unit heater provides 400,000 BTU of efficient heat to cover areas up to 13,400 sq ft. Using fresh air from outside the building, the heater can be used in humid or corrosive areas, giving you an option for greenhouses or chemical factories. It can also be installed in a standard combustion configuration for versatility. The air louvers have three locking positions to direct heat where it is needed. Keep your workplace warm with the HeatStar 400,000 BTU Separated Combustion Unit Heater.\u003c\/p\u003e","brand":"HeatStar","offers":[{"title":"Default Title","offer_id":42005494956095,"sku":"F163046","price":99999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0607\/2949\/1519\/files\/hsu400_2.jpg?v=1757112448"},{"product_id":"200-000-btu-separated-combustion-stainless-steel-heat-exchanger-unit-heater","title":"200,000 BTU Separated Combustion Stainless Steel Heat Exchanger Unit Heater","description":"\u003cp\u003eThe HeatStar 200,000 BTU Separated Combustion Unit Heater is your heat solution for factory or farm. The unit heater provides 200,000 BTU of efficient heat to cover areas up to 6,700 sq ft. Using fresh air from outside the building, the heater can be used in humid or corrosive areas, giving you an option for greenhouses or chemical factories. It can also be installed in a standard combustion configuration for versatility. A stainless steel heat exchanger gives more protection in humid atmospheres. The air louvers have three locking positions to direct heat where it is needed. Keep your workplace warm with the HeatStar 200,000 BTU Separated Combustion Unit Heater.\u003c\/p\u003e","brand":"HeatStar","offers":[{"title":"Default Title","offer_id":42005494988863,"sku":"F163033","price":99999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0607\/2949\/1519\/files\/hsu200_3.jpg?v=1757112454"},{"product_id":"250-000-btu-separated-combustion-stainless-steel-heat-exchanger-unit-heater","title":"250,000 BTU Separated Combustion Stainless Steel Heat Exchanger Unit Heater","description":"\u003cp\u003eThe HeatStar 250,000 BTU Separated Combustion Unit Heater is your heat solution for factory or farm. The unit heater provides 250,000 BTU of efficient heat to cover areas up to 8,400 sq ft. Using fresh air from outside the building, the heater can be used in humid or corrosive areas, giving you an option for greenhouses or chemical factories. It can also be installed in a standard combustion configuration for versatility. A stainless steel heat exchanger gives more protection in humid atmospheres. The air louvers have three locking positions to direct heat where it is needed. Keep your workplace warm with the HeatStar 250,000 BTU Separated Combustion Unit Heater.\u003c\/p\u003e","brand":"HeatStar","offers":[{"title":"Default Title","offer_id":42005495021631,"sku":"F163034","price":99999.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0607\/2949\/1519\/files\/hsu250_3.jpg?v=1757112461"},{"product_id":"300-000-btu-separated-combustion-stainless-steel-heat-exchanger-unit-heater","title":"300,000 BTU Separated Combustion Stainless Steel Heat Exchanger Unit Heater","description":"\u003cp\u003eThe HeatStar 300,000 BTU Separated Combustion Unit Heater is your heat solution for factory or farm. The unit heater provides 300,000 BTU of efficient heat to cover areas up to 10,000 sq ft. Using fresh air from outside the building, the heater can be used in humid or corrosive areas, giving you an option for greenhouses or chemical factories. It can also be installed in a standard combustion configuration for versatility. A stainless steel heat exchanger gives more protection in humid atmospheres. The air louvers have three locking positions to direct heat where it is needed. Keep your workplace warm with the HeatStar 300,000 BTU Separated Combustion Unit Heater.\u003c\/p\u003e","brand":"HeatStar","offers":[{"title":"Default Title","offer_id":42005495054399,"sku":"F163035","price":99999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0607\/2949\/1519\/files\/hsu300_3.jpg?v=1757112467"},{"product_id":"400-000-btu-separated-combustion-stainless-steel-heat-exchanger-unit-heater","title":"400,000 BTU Separated Combustion Stainless Steel Heat Exchanger Unit Heater","description":"\u003cp\u003eThe HeatStar 400,000 BTU Separated Combustion Unit Heater is your heat solution for factory or farm. The unit heater provides 400,000 BTU of efficient heat to cover areas up to 13,400 sq ft. Using fresh air from outside the building, the heater can be used in humid or corrosive areas, giving you an option for greenhouses or chemical factories. It can also be installed in a standard combustion configuration for versatility. A stainless steel heat exchanger gives more protection in humid atmospheres. The air louvers have three locking positions to direct heat where it is needed. 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Designed for compatibility with 50,000, 80,000 and 125,000 BTU models (HSU50, HSU80, HS125U), this kit includes all necessary components and labels for a seamless transition. This kit is ideal for heaters equipped with Honeywell gas valves. It ensures reliable performance and fuel flexibility. This conversion kit is an essential accessory for adapting your heater to operate efficiently with liquid propane.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• \u003cmeta charset=\"utf-8\"\u003e\u003c\/span\u003eQuickly switch your Heatstar unit heater from natural gas to liquid propane\u003c\/p\u003e\n\u003cp\u003e• \u003cmeta charset=\"utf-8\"\u003eWorks with Complete instructions for conversion, 80,000, and 125,000 BTU models (HSU50, HSU80, HSU125)\u003c\/p\u003e\n\u003cp\u003e• \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eMaintains consistent heat output and safe operation after conversion\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• \u003cmeta charset=\"utf-8\"\u003e\u003c\/span\u003eComplete components to convert to liquid propane fuel\u003c\/p\u003e\n\u003cdiv data-role=\"product-detail_property-values-row\" data-property-id=\"s-d72d71a2-25e5-4bfc-be15-f760104d8a1f\" id=\"ember8446\" class=\"_container_salsify_1x2dbe _property-row_salsify_10nl8r ember-view\"\u003e\n\u003cdiv data-schema-result=\"valid\" id=\"ember8447\" class=\"ember-view _result-container_salsify_1x2dbe _standard-width_salsify_1x2dbe\"\u003e\n\u003cdiv data-property-values-kind=\"string\" id=\"ember8451\" class=\"_value-kinds_salsify_x0trgg ember-view _values_salsify_1x2dbe\"\u003e\n\u003cdiv data-schema-result=\"not-validated\" id=\"ember10417\" class=\"ember-view _result-container_salsify_x0trgg\"\u003e\n\u003cdiv data-value-kind-value-type=\"str\" data-value-index=\"3\"\u003e\n\u003cdiv data-role=\"property-values-string-value\" class=\"_str-value_salsify_kc3xpq ember-view\"\u003e• Complete instructions for conversion\u003c\/div\u003e\n\u003cdiv data-role=\"property-values-string-value\" class=\"_str-value_salsify_kc3xpq ember-view\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv data-role=\"property-values-string-value\" class=\"_str-value_salsify_kc3xpq ember-view\"\u003e• Includes fuel label to show correct fuel source\u003c\/div\u003e\n\u003cdiv data-role=\"property-values-string-value\" class=\"_str-value_salsify_kc3xpq ember-view\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv data-role=\"property-values-string-value\" class=\"_str-value_salsify_kc3xpq ember-view\"\u003e• Conversion can be done by homeowner if approved by local code\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"heatstarbyenerco","offers":[{"title":"Default Title","offer_id":43815107723327,"sku":"F260163","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0607\/2949\/1519\/files\/MRH-ACCESSORIES-F260163-CONVKIT-MI.jpg?v=1790617878"},{"product_id":"f260164","title":"Propane to Natural Gas Conversion Kit","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eConvert your compatible Heatstar unit heater from liquid propane (LP) to natural gas (NG) with the genuine Fuel Conversion Kit. \u003cmeta charset=\"utf-8\"\u003eDesigned for compatibility with 50,000, 80,000 and 125,000 BTU models (HSU50, HSU80, HS125U), this kit includes the components needed to complete the fuel conversion, including burner orifices, conversion springs, and detailed installation instructions. Whether you're switching to natural gas for convenience or connecting to an existing gas supply, this genuine conversion kit helps ensure your heater continues to operate safely and efficiently with the proper fuel configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• \u003cmeta charset=\"utf-8\"\u003e\u003c\/span\u003eConverts compatible unit heaters (H\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eSU50, HSU80, HS125U)\u003c\/span\u003e from liquid propane (LP) to natural gas (NG)\u003c\/p\u003e\n\u003cp\u003e• \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eComplete kit includes burner orifices, conversion springs, and detailed instructions for easy installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• \u003cmeta charset=\"utf-8\"\u003e\u003c\/span\u003eDesigned for a precise fit and dependable performance\u003c\/p\u003e\n\u003cp\u003e• \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eAllows connection to a compatible natural gas fuel supply\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• \u003cmeta charset=\"utf-8\"\u003eIdeal for converting compatible unit heaters to natural gas\u003c\/span\u003e\u003c\/p\u003e","brand":"heatstarbyenerco","offers":[{"title":"Default Title","offer_id":43815107756095,"sku":"F260164","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0607\/2949\/1519\/files\/MRH-ACCESSORIES-F260164-CONVKIT-MI.jpg?v=1790617408"},{"product_id":"30-000-btu-utility-heater-with-expediter","title":"30,000 BTU Utility Heater with Expediter","description":"","brand":"heatstarbyenerco","offers":[{"title":"Default Title","offer_id":44005119983679,"sku":"F170731","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0607\/2949\/1519\/files\/HSU30-MI.jpg?v=1790619184"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0607\/2949\/1519\/collections\/forced_air_210k.jpg?v=1788215632","url":"https:\/\/www.heatstarbyenerco.com\/collections\/forced-air-unit-heaters.oembed?page=3","provider":"heatstarbyenerco","version":"1.0","type":"link"}