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 5975-01-435-7880
NSN 6110-01-509-5986
NSN 5985-01-353-6279
NSN 6650-01-583-2505
NSN 6610-00-144-7036
NSN 4140-01-573-7272
NSN 5935-01-359-1017
NSN 5910-00-620-0891
NSN 6320-01-265-8703
NSN 6130-01-044-5436
NSN 6645-01-514-7901
NSN 4140-01-625-6280