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 6135-01-567-0739
NSN 5996-00-551-1097
NSN 5998-01-532-2295
NSN 5930-01-394-4964
NSN 6650-01-242-8086
NSN 5835-00-554-0399
NSN 6685-01-186-2008
NSN 6145-01-432-8672
NSN 5965-01-147-5847
NSN 5835-00-823-6116
NSN 6110-01-417-2990
NSN 5855-00-455-6070