Lennox 14W77 TXV 328140-751 minimizing service callbacks related to

minimizing service callbacks related to hard-start issues or HVAC start relay failure

Enhanced Conductivity: Ensures maximum voltage reaches the igniter for reliable "first-try" ignition

and the take-apart design allows for streamlined servicing or valve flushing without the need to pump down the refrigeration circuit

45-inch shank

Lennox 14W77 TXV 328140-751 minimizing service callbacks related toThe Lennox 14W77 is an OEM thermostatic expansion valve (TXV) engineered for high precision refrigerant metering in residential and light commercial R410A systems. Designed as a direct 100254 02 replacement, this valve features 3 8" x 1 2" ODF connections and is critical for maintaining the balance between liquid and vapor in the evaporator. By accurately regulating the refrigerant flow based on load demand, the 14W77 prevents compressor floodback and