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 6105-00-946-1075
NSN 6645-01-479-5364
NSN 4140-01-207-3577
NSN 5965-00-871-8987
NSN 6110-01-381-1269
NSN 5999-00-239-7358
NSN 6145-01-258-9201
NSN 6110-00-627-5718
NSN 5855-01-330-3669
NSN 5960-00-338-9164
NSN 6240-01-437-8991
NSN 6150-01-168-7195