A heat transferring unit utilizing a separate source of steam or hot water as the heat transfer medium. It consists of finned parallel tubes joined together by a header or headers and is designed for installation in the ducts of a forced air circulating system. It may be provided with a flanged outer casing to facilitate mounting of the unit 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 6650-01-633-9147
NSN 5990-01-147-5225
NSN 5999-01-437-4180
NSN 7035-01-270-0325
NSN 6150-01-409-2858
NSN 5920-01-318-8010
NSN 5975-01-519-3778
NSN 6620-01-508-7902
NSN 6620-00-266-2763
NSN 6220-00-941-8758
NSN 6645-01-413-0515
NSN 2925-01-062-2660