Lennox 14W77 TXV 328140-751 This microprocessor-based control regulates the

This microprocessor-based control regulates the combustion sequence

45-inch shank

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

Ensure the detector is powered down and the sensing head has cooled before installation to avoid thermal damage or injury

this bracket offers a direct-fit solution that eliminates the need for field modifications

Lennox 14W77 TXV 328140-751 This microprocessor-based control regulates theThe 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