Airflow 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 6110-01-100-4445
NSN 2925-01-500-0730
NSN 5935-00-238-8941
NSN 5855-01-505-1442
NSN 6110-00-553-1853
NSN 6130-01-521-9215
NSN 6130-01-584-0789
NSN 6220-00-479-9171
NSN 5920-01-355-6983
NSN 5855-01-053-0679
NSN 5960-00-061-8105
NSN 4140-00-175-6036