Lennox 14W77 TXV 328140-751 45-inch shank

45-inch shank

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

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

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

Exact OEM Fit: Guaranteed to match original equipment dimensions and terminal configurations for a safe and efficient installation

Lennox 14W77 TXV 328140-751 45-inch shankThe 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