Air flow switch; automatic and manual thermal cutouts
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 5990-00-373-9787
NSN 5965-01-026-9865
NSN 5835-01-416-6455
NSN 6650-01-504-2676
NSN 6645-01-372-2600
NSN 5910-01-344-5553
NSN 5905-01-200-6246
NSN 5960-01-560-8461
NSN 2925-01-008-5696
NSN 7035-01-103-6845
NSN 5855-01-648-2674
NSN 5996-01-375-8769