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 5855-00-361-0167
NSN 6620-00-135-9338
NSN 5925-00-597-1558
NSN 5960-00-246-4623
NSN 5960-00-981-3014
NSN 4140-01-488-1169
NSN 6130-01-209-6893
NSN 6610-00-832-9983
NSN 5990-01-503-0194
NSN 5975-00-583-8553
NSN 5950-00-762-3364
NSN 5935-00-526-0540