Description
Zero-Clearance Approval: Certified for multi-position air handlers including upflow
even in systems with iron-oxide contamination
vacuuming is the preferred field cleaning method to maintain cell geometry
4-20 mA proportional control
Lennox 27W50 TXV R-134A Zero-Clearance Approval: Certified for multi-positionThe Lennox 27W50 TXV is a precision engineered indoor thermostatic expansion valve specifically calibrated for R22 refrigerant HVAC systems. As an OEM Lennox replacement part, this valve is critical for maintaining the correct superheat and ensuring the evaporator coil operates at peak efficiency by modulating refrigerant flow based on heat load. For technicians servicing legacy residential or commercial 13CHPA 60 230 1 units, the 27W50 expansion