Lennox 42W30 TXV mario They are mechanically and electrically

They are mechanically and electrically identical

Whether used in condensing units or heat pump systems

Technicians should measure the resistance across the sensor terminals

Verify your specific serial number for exact compatibility

Is the rubber cover included

Lennox 42W30 TXV mario They are mechanically and electricallyEnsure precise refrigerant metering with the Lennox 42W30 TXV, a high performance 4 ton thermostatic expansion valve designed specifically for R410A systems. This OEM replacement (part number 100679 16) features 3 8" x 1 2" ODF brazed connections, providing a robust, leak resistant interface for standard liquid and suction lines. Engineered for high efficiency cooling, the 42W30 maintains the ideal superheat across the evaporator coil, preventing