Lennox 15W13 Expansion Valve 320735-701 Replacing the entire assembly ensures

Replacing the entire assembly ensures the drive current timing and impedance remain within OEM tolerances

Once the heat exchanger cools to the 90°F reset point

Chemical Resistance: The exclusive compounded polyethylene formulation provides superior resistance to corrosion and environmental degradation

utilizing the same footprint for easier field upgrades

The Reznor 196949 Limit Switch is a critical safety component designed specifically for commercial and industrial heating units

Lennox 15W13 Expansion Valve 320735-701 Replacing the entire assembly ensuresThe 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