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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 lubricated totally enclosed ball bearing motor for maintenance-free operation. Highly efficient aluminum reflectors. Includes diaphragm air switch, heavy duty cast iron burner and burner inspection sight glass. Diagnostic monitoring light system. 120V supply required. Tough guy series is ideal for car washes, greenhouses, swimming pools, waste water treatment plants, dairy barns and other high humidity environments. CSA certified. This product has 5 year limited warranty on tubes and 1 year limited warranty on unit. This product is made in the USA.

SunStar SIU Series Propane Infrared U Tube Tough Guy Heater, 40' Tube Length, 175000 BTU

propane-heater-infrared-vacuum-u-tube-tough-guy-175000-btu-50l

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