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 6105-00-106-6447
NSN 5975-01-401-5355
NSN 5960-01-599-9821
NSN 5965-00-021-5620
NSN 5855-00-494-9581
NSN 5910-01-272-7196
NSN 5835-01-495-0595
NSN 5895-01-243-6694
NSN 2925-01-148-2023
NSN 6645-01-409-0468
NSN 5985-01-158-0138
NSN 6645-00-684-3424