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 6610-01-140-3634
NSN 5855-01-053-9684
NSN 6105-01-281-0511
NSN 5855-01-286-2916
NSN 5905-00-119-8855
NSN 6240-01-461-9011
NSN 6685-00-443-7708
NSN 5905-00-339-7757
NSN 6145-01-281-7222
NSN 6650-00-506-0054
NSN 5915-01-033-9269
NSN 5990-00-399-2454