All sheet metal to be 18 gauge stainless steel; 2 automatic and 1 manual thermal cut-outs; fan relay
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 6220-00-528-7752
NSN 4140-00-147-8971
NSN 5915-01-538-1753
NSN 5965-01-160-9819
NSN 6320-01-246-4390
NSN 6105-01-286-4917
NSN 5925-01-525-4319
NSN 6130-01-400-0736
NSN 6320-01-157-9076
NSN 5975-00-244-0706
NSN 6610-01-288-2339
NSN 2925-01-466-0892