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 6145-01-421-4257
NSN 6105-01-363-3823
NSN 5999-01-429-9182
NSN 6105-01-550-2578
NSN 5996-00-205-2933
NSN 6320-00-575-6072
NSN 4140-01-573-0275
NSN 5965-00-372-2537
NSN 5930-01-168-0177
NSN 6135-01-560-5853
NSN 6110-01-117-1220
NSN 6110-01-569-4253