U-tube heater configurations are great for high heat loss areas including loading docks. Vacuum system pulls products of combustion through combustion chamber for increased radiant efficiency and greater safety. Reliable direct spark ignition and 100% gas shut-off safety control. Up to 50' of ducting in fresh air and 75' sidewall venting capability. Vacuum system features a totally enclosed combustion chamber. Heavy duty draft inducer assembly features permanently lubricated totally enclosed ball bearing motor for maintenance-free operation. Highly efficient aluminum reflectors. Includes ...

Tough guy U-tube heaters are ideal for high heat loss and spot heating applications, and can be installed in high humidity or corrosive environments. The emitter tubes are made of heat treated aluminized steel. Vacuum system pulls products of combustion through combustion chamber for increased radiant efficiency and greater safety. Reliable direct spark ignition and 100% gas shut-off safety control. Up to 50' of ducting in fresh air and 75' sidewall venting capability. Vacuum system features a totally enclosed combustion chamber. Heavy duty draft inducer assembly features permanently ...

Modine Hot Dawg® 100000 BTU Separated Combustion Natural Gas Unit Heater Modine Hot Dawg® Features: Hot Dawg® Model HDS integral power-exhausted, separated combustion gas-fired unit heater Separated combustion design uses fresh air for combustion instead of indoor space air. 1 vent pipe brings in fresh air, 1 vent pipe exhausts flue gases Perfect for woodworking shops or other dusty environments Optional concentric vent adapter accessory allows for 1 penetration through a sidewall or roof Hush-puppy quiet operation Factory configured for use with natural gas. Certified for residential, ...

Serengeti-IR™ Residential Radiant Infrared Tube Heater the original dry tube gas fired system manufactured in US by Combustion Research. 60000 BTU Power vented system with 3.5" OD Emitter tube that runs on Natural Gas Pre Engineered, gas fired, unitary power vented (also known as positive pressure or push through systems) 20 Feet Straight Configuration systems package. Energy savings of 30-50% over Conventional Heating Systems. Each System includes a Powder Coated Aluminized Steel Burner with 3 ft power cord and a 3 prong plug. Also comes standard bright finish aluminum reflectors, ...

Straight tube heaters ideal for complete building heating. Vacuum system pulls products of combustion through combustion chamber for increased radiant efficiency and greater safety. Reliable direct spark ignition and 100% gas shut-off safety control. Up to 50' of ducting in fresh air and 75' sidewall venting capability. Vacuum system features a totally enclosed combustion chamber. Heavy duty draft inducer assembly features permanently lubricated totally enclosed ball bearing motor for maintenance-free operation. Highly efficient aluminum reflectors. Includes diaphragm air switch, heavy ...