Contains 3 elements
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 6620-01-392-7191
NSN 5975-01-080-2679
NSN 7035-00-059-7970
NSN 5945-00-021-3575
NSN 2925-00-149-0760
NSN 5920-01-364-1866
NSN 6320-01-308-0009
NSN 5920-01-534-3806
NSN 6240-00-612-0883
NSN 5960-00-379-4466
NSN 4140-00-152-7092
NSN 2925-01-602-8156