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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 5998-01-535-6790
NSN 5915-01-381-2519
NSN 5985-00-035-4558
NSN 5990-00-232-3965
NSN 6105-01-103-8426
NSN 6240-01-447-5904
NSN 5910-00-208-4889
NSN 5835-01-191-3405
NSN 5835-01-310-8979
NSN 5996-01-433-2777
NSN 5960-00-500-7050
NSN 5975-01-388-2153