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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 6130-00-224-2450
NSN 6135-01-010-0891
NSN 6240-01-059-0404
NSN 6110-00-193-0450
NSN 6320-01-415-0953
NSN 6645-00-419-9939
NSN 5945-00-035-9251
NSN 5935-01-428-4470
NSN 5835-00-251-9138
NSN 5935-01-370-0359
NSN 6650-01-420-5586
NSN 6130-01-071-0796