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 5999-01-498-5253
NSN 6135-01-156-4627
NSN 5950-00-103-7967
NSN 6135-01-502-5787
NSN 5998-01-223-1683
NSN 6135-01-387-0754
NSN 6610-01-347-3005
NSN 6620-00-075-6667
NSN 5935-01-185-9388
NSN 6620-00-337-5610
NSN 6130-00-905-9936
NSN 5998-00-127-3889