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 6620-01-163-1613
NSN 6645-01-127-6252
NSN 5905-01-534-4615
NSN 5925-01-093-7886
NSN 6220-01-546-0196
NSN 6220-01-254-7921
NSN 5990-00-919-0900
NSN 6320-01-246-4390
NSN 5930-01-620-4887
NSN 5990-01-559-0578
NSN 6650-01-364-1313
NSN 5895-00-935-0225