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 5960-01-083-3936
NSN 5895-01-089-8171
NSN 5895-01-581-8416
NSN 2925-01-439-0219
NSN 5855-01-631-5051
NSN 6110-01-562-8061
NSN 6645-01-111-9825
NSN 5910-00-722-4117
NSN 5945-01-231-2430
NSN 5990-01-498-0641
NSN 5990-01-529-6347
NSN 5855-01-641-8826