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 5930-01-250-1549
NSN 5835-00-408-5499
NSN 5855-00-610-4052
NSN 2925-01-376-9236
NSN 5905-01-012-1219
NSN 5960-01-224-7151
NSN 6650-00-656-3066
NSN 5998-01-346-6992
NSN 6320-00-468-8421
NSN 5950-00-369-7665
NSN 6145-00-458-6437
NSN 5960-01-127-9061