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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 5925-01-141-6688
NSN 5950-01-391-0030
NSN 5998-00-311-1897
NSN 5950-01-495-0873
NSN 6105-01-341-7817
NSN 5910-01-190-8130
NSN 6105-01-324-7891
NSN 5920-01-110-9242
NSN 7035-00-929-0363
NSN 5895-00-950-4890
NSN 5855-01-417-5571
NSN 5910-00-556-1426