Lennox 14W77 TXV 30067439-890 ensuring compatibility with a wide

ensuring compatibility with a wide range of popular boiler sizes

Common Questions What is the maximum inlet pressure for this valve

0 μA DC minimum) for reliable communication with the ignition module

the assembly includes factory-installed primary and secondary thermal limits to ensure safe operation within the blower cabinet

significantly reducing radial loads on your bearings

Lennox 14W77 TXV 30067439-890 ensuring compatibility with a wideThe 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