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 6645-01-370-4259
NSN 5925-01-411-6028
NSN 5910-01-660-3775
NSN 6105-00-175-9078
NSN 5990-00-985-1334
NSN 5930-01-067-7193
NSN 5855-01-384-4914
NSN 5835-00-454-7239
NSN 5895-00-802-1575
NSN 6220-01-608-7748
NSN 5935-00-258-9891
NSN 5935-00-484-9471