Model: L21ON1:B23843
Stationary Duct Type HeaterProperties:
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.
Part L21ON1:B23843 NSN 4520-01-649-3602
Material Classification
Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicatorsFreight Classification
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Schedule B and Export
- Schedule B: 7322900000
- SITC: 81215
- End Use: Household appliances
- NAICS: 333414
- USDA: 1
Freight Class: Air heaters and hot air distributors, not electrically heated, incorporating a motor-driven fan or blower, and parts thereof, of iron or steel
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