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 6645-01-616-8996
NSN 4140-00-193-0067
NSN 2925-00-073-9375
NSN 5835-01-463-2334
NSN 5855-01-244-9785
NSN 6650-01-497-5782
NSN 5975-01-657-7295
NSN 6645-01-589-0983
NSN 6240-01-139-3377
NSN 5999-00-505-2966
NSN 5910-00-611-4945
NSN 5895-01-251-0228