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A device capable of producing heat from gas, liquid fuel, or an electrical heating element designed for permanent installation in sheet metal ducts of a forced air circulating system. It consists of (1) a finned, steel burner tube, a combustion air blower, a control panel, and a constant level fuel supply system or (2) a device having a heating element which when connected to an electrical source, directly imparts heat. It may be provided with a flanged outer casing to facilitate mounting in planned or existing duct work. Circulation of the heated air is achieved by use of a blower or fan not integral with the heating unit.
Classification: Air heaters and hot air distributors, not electrically heated, incorporating a motor-driven fan or blower, and parts thereof, of iron or steel
NSN 6240-01-194-2206
NSN 4140-00-740-2153
NSN 5990-01-020-6841
NSN 7035-01-146-7096
NSN 6130-01-383-8669
NSN 5975-01-535-9959
NSN 5855-00-482-9876
NSN 2925-01-254-3068
NSN 6645-00-230-4396
NSN 5985-01-199-4046
NSN 6150-00-067-0145
NSN 5998-00-007-2885