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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 5990-01-632-0969
NSN 4140-01-120-3002
NSN 5895-00-468-4103
NSN 7035-01-429-7954
NSN 5960-01-462-7704
NSN 5999-01-127-0220
NSN 6105-00-014-2554
NSN 6650-01-425-1934
NSN 7035-00-703-3535
NSN 5960-01-359-6630
NSN 5910-00-539-4550
NSN 6110-00-581-4445