7.0 ins duct size
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 4140-01-193-6540
NSN 5910-01-242-2663
NSN 6685-00-193-9502
NSN 6685-01-406-2919
NSN 5910-00-952-1716
NSN 5999-01-451-4506
NSN 6610-00-100-1195
NSN 5950-00-900-6579
NSN 5960-01-382-8772
NSN 5930-00-277-4704
NSN 5965-01-036-9945
NSN 6645-01-535-7136