Contains 3 elements
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 4140-00-511-1828
NSN 5996-01-197-1688
NSN 6650-01-538-2259
NSN 7035-00-731-8729
NSN 6105-00-010-2386
NSN 5925-01-042-1805
NSN 5935-01-474-8369
NSN 5905-00-998-5650
NSN 5996-01-353-9261
NSN 5915-01-242-9686
NSN 5950-01-599-5109
NSN 5985-00-367-4291