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 6320-00-925-0558
NSN 5910-00-878-7816
NSN 5975-01-648-2592
NSN 2925-01-423-8141
NSN 6620-01-504-5756
NSN 6135-01-555-4283
NSN 6105-01-368-3283
NSN 4140-01-520-6395
NSN 6645-01-611-9391
NSN 5950-01-577-7052
NSN 5950-01-157-0625
NSN 5835-01-411-8897