Lennox 57W68 #44 Natural Gas Orifice #44 Natural Gas Orifice

#44 Natural Gas Orifice

Natural gas orifice for use in combination natural gas/oil-fired boilers. For use with Lennox 57M Series and other listed boilers with 3/4 in. NG burners. Comes with 2 in. height, 90 deg bend, and 3/16 in. O.D. port. Gas pressure rating may require different orifices for proper burner operation when ambient air temperatures reach 50 deg F (10 deg C) and below in cold weather areas to maintain manufacturer's rated output capacity.

The Lennox ORF-44 orifice helps you make the right choice when installing a new furnace to replace your old model. It fits all of your heating and cooling needs, no matter where you choose to place it.

Natural Gas Direct Vent Wall Furnace

The Lennox 57W68 orifice is designed to fit the gas ranges and furnaces of the SERIES HESTER, JANITORIAL HEATER, NIAGARA, NATURE MATE and FRONT DESK BEVERLY.

The 57W68 orifice kit is designed with corrosion resistance in mind. This orifice is designed to reduce the chance of contamination and also to reduce the amount of rust and corrosion when used in a coastal area.

The G57222-43 orifice is used for the 57GSI/6, 57GSU/6, 57HPI/6, and 57SPIU/6 furnaces.

Engineered to exact specifications for Lennox high efficiency gas furnaces. Features a self-sealing, metal-to-metal fit that ensures the utmost in dependability.