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 5895-01-570-8952
NSN 6650-01-136-3636
NSN 5930-00-104-6148
NSN 6240-01-562-4193
NSN 5975-00-975-5902
NSN 6220-01-018-0905
NSN 6685-01-507-4342
NSN 5895-01-252-8089
NSN 6150-01-090-5153
NSN 5920-01-104-4332
NSN 5990-01-502-8209
NSN 6645-00-580-9605