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 4140-01-142-2971
NSN 5990-00-400-4794
NSN 5925-01-225-7757
NSN 5950-01-632-5470
NSN 6650-00-764-2121
NSN 6650-01-132-2697
NSN 5905-00-913-7937
NSN 5990-00-678-0062
NSN 6645-00-736-0476
NSN 5996-01-273-3934
NSN 5910-01-170-5074
NSN 5999-01-435-9153