the Evergreen VS series is pre-programmed to recognize the system's communication signals

For technicians troubleshooting chiller fault codes or "unit won\'t start" conditions

verify the model requirements for your specific air handler series

but never use an oversized drill bit which would ruin the metering precision of the part

Does this kit include the check spring or the seats

Lennox 33W52 TXV 320819-301 the Evergreen VS series isThe Lennox 33W52 is a factory authorized thermostatic expansion valve (TXV) engineered for high capacity 6 ton HVAC systems. As a critical liquid refrigerant metering device, this valve features a 3 8" inlet and 1 2" ODF outlet, providing the precise flow control necessary to maintain optimal superheat across varying evaporator loads. Designed specifically for R 410A refrigeration systems, the 33W52 utilizes a 30 inch capillary tube and an external