Lennox 31W19 Flue Transition 318423-701 As the direct 040-0163-01 replacement

As the direct 040-0163-01 replacement

it provides the high-flow capacity required for critical HVACR and process automation applications

OEM Engineering: Specifically designed for Carrier

Field technicians typically utilize this hard-shutoff TXV in residential and light commercial split systems to improve seasonal energy efficiency

Lennox 31W19 Flue Transition 318423-701 As the direct 040-0163-01 replacementThe Lennox 31W19 Flue Transition is a critical induced draft component engineered for high performance Lennox packaged HVAC systems. As an essential OEM replacement part, this flue exhaust transition manages the path of combustion gases from the heat exchanger to the external vent, preventing backdraft and ensuring safe equipment operation. Fabricated to strict factory tolerances, the 31W19 eliminates the alignment issues ????? associated with