potentially compromising safety

Using it with R-410A will lead to incorrect metering due to different pressure-temperature relationships

Its precise 23-inch length and 3x3-inch profile ensure a direct fit for compatible York

This OEM replacement part is essential for maintaining the integrity of hydronic boiler systems

Lennox 91M01 TXV 319848-301 potentially compromising safetyThe Lennox 91M01 TXV is a precision engineered 6 ton thermostatic expansion valve designed specifically for high capacity R22 refrigerant systems. As an essential metering device for commercial and industrial HVACR equipment, this OEM Lennox part ensures optimal evaporator efficiency by maintaining precise superheat levels. It is built to regulate refrigerant flow accurately, preventing common issues such as compressor flooding or evaporator