Lennox 42W30 TXV mario High-Efficiency Filtration: Includes a high-grade

High-Efficiency Filtration: Includes a high-grade separator filter element to maintain clean

hindering flame travel

Technicians should measure the resistance across the sensor terminals

Directly compatible with a wide range of Lochinvar and A

Verify your specific serial number for exact compatibility

Lennox 42W30 TXV mario High-Efficiency Filtration: Includes a high-gradeEnsure 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