W/one element each
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 6650-01-529-6416
NSN 5855-01-512-1926
NSN 6685-01-353-7782
NSN 6620-01-575-6498
NSN 6650-00-068-2208
NSN 4140-00-269-5795
NSN 6145-00-980-0349
NSN 6620-01-431-9176
NSN 5935-01-411-8889
NSN 6645-01-036-5027
NSN 2925-01-224-1885
NSN 5985-00-488-4276