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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 5915-01-221-6481
NSN 5905-01-136-2727
NSN 6105-01-413-8342
NSN 5935-01-451-5159
NSN 5998-01-175-9109
NSN 4140-01-388-0340
NSN 6320-01-478-9351
NSN 5998-01-353-7281
NSN 5996-00-964-9400
NSN 5990-01-140-5497
NSN 6620-01-350-5103
NSN 5910-01-394-8444