For very old valves

Optimized Combustion: Features an in-shot burner design to enhance heat distribution and maximize fuel efficiency across the heat exchanger

this encapsulated Class F coil provides superior thermal resistance

Extreme Pressure Rating: Rated for 680 PSI

Lennox 27W50 TXV 322838-753 For very old valvesThe 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