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 6645-01-473-9179
NSN 5915-01-010-3866
NSN 6645-00-295-8535
NSN 5990-00-232-3965
NSN 6150-00-241-9676
NSN 5910-00-551-2442
NSN 6610-01-472-7748
NSN 6220-01-595-3894
NSN 6145-00-964-6694
NSN 2925-01-551-5375
NSN 6650-00-726-4242
NSN 5998-01-123-8753