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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 5996-00-481-2770
NSN 5975-01-338-9486
NSN 7035-00-890-7649
NSN 5920-01-539-8067
NSN 5930-01-585-6757
NSN 5960-01-406-0299
NSN 5935-01-487-4215
NSN 6650-00-207-9639
NSN 5999-00-106-9884
NSN 5996-01-651-8601
NSN 5910-01-434-7890
NSN 6610-01-004-2906