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 6685-01-307-4879
NSN 5855-01-522-0723
NSN 6240-01-622-1674
NSN 6110-01-266-4514
NSN 5910-01-558-9720
NSN 5910-00-465-4518
NSN 2925-01-391-1540
NSN 5985-01-270-0667
NSN 6145-01-547-6651
NSN 4140-00-287-9199
NSN 5985-01-075-7467
NSN 6685-01-239-5610