Lennox 15W13 Expansion Valve 321142-301 Double-Throw) to provide reliable liquid

Double-Throw) to provide reliable liquid flow sensing in cooling or heating circuits

line-voltage control for both residential and commercial zones

and Ducane that utilize the 43K5301 specification

this switch should be mounted vertically with the sample line connections pointing downwards

drop-in solution to restore original equipment performance without the calibration issues common in universal alternatives

Lennox 15W13 Expansion Valve 321142-301 Double-Throw) to provide reliable liquidThe 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