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 4140-01-282-1339
NSN 5895-01-261-9617
NSN 5998-01-648-7217
NSN 5920-00-753-5113
NSN 5935-01-037-9686
NSN 6145-01-444-1668
NSN 5935-01-246-3250
NSN 5965-00-863-6031
NSN 5965-01-207-0991
NSN 7035-01-069-3537
NSN 5996-00-908-9229
NSN 6620-01-044-3371