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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 5920-01-266-2256
NSN 5835-01-394-7589
NSN 5985-01-261-6326
NSN 5935-01-493-5753
NSN 5990-01-443-2931
NSN 5925-01-267-6940
NSN 5950-01-415-0276
NSN 5855-01-112-7725
NSN 5960-01-387-5290
NSN 5915-01-107-0908
NSN 6610-00-822-0431
NSN 5905-01-423-8857