Lennox 15W13 Expansion Valve 321142-301 or if the system fails

or if the system fails to stay lit after the 30-second thermocouple hold period

35 Amp draw

OEM Compatibility: Specifically engineered as a direct cross-reference for Reznor part number 174993

and Nordyne systems

Lennox 15W13 Expansion Valve 321142-301 or if the system failsThe 15W13 Lennox 15W13 Expansion Valve is a critical OEM replacement designed to regulate refrigerant flow within R410A solar ready heat pumps and 15 ton commercial AC units. Engineered for precise superheat control, this thermal expansion valve (TXV) ensures optimal evaporator performance by adjusting fluid volume based on real time load demands. As a direct replacement for part numbers such as Lennox 100254 10, the 15W13 is essential for maintaining