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 5925-01-146-3608
NSN 6645-01-655-8115
NSN 6650-00-859-1859
NSN 5920-01-237-3875
NSN 6220-01-382-2696
NSN 5996-01-279-3764
NSN 5930-01-442-8302
NSN 5915-01-082-4518
NSN 5930-01-244-3348
NSN 5965-01-014-8213
NSN 7035-00-433-5670
NSN 6610-00-070-0011