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 4140-00-116-1022
NSN 6105-01-089-9143
NSN 6135-00-027-3914
NSN 5855-01-364-4478
NSN 5945-01-344-2357
NSN 5910-01-227-7525
NSN 5925-01-237-3886
NSN 5999-01-591-7484
NSN 6130-00-894-0911
NSN 6650-00-310-2534
NSN 5935-01-563-8526
NSN 5950-01-040-0560