Lennox 42W30 TXV mario built with a robust metal

built with a robust metal construction designed to withstand the high-cycle demands of industrial and residential furnaces or air handlers

Technicians should measure the resistance across the sensor terminals

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

hindering flame travel

Lennox 42W30 TXV mario built with a robust metalEnsure 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