Lennox 25W23 TXV Valve 320788-703 a faulty exhaust pressure switch

a faulty exhaust pressure switch is a common culprit for ignition failure or system lockout codes

System Longevity: Prevents compressor damage by ensuring 100% vapor state before entering the suction line

Can this safety valve be used for liquid or air service

System Sensor P2RK Gas/Smoke Detection Accessory

preventing unnecessary lockouts in systems where a brief interruption is permissible

Lennox 25W23 TXV Valve 320788-703 a faulty exhaust pressure switchFor service technicians maintaining Lennox residential and light commercial equipment, the Lennox 25W23 TXV Valve (MPN: 100679 02) is a critical component for restoring nominal performance. This thermostatic expansion valve is specifically engineered for R 410A refrigerant systems, supporting a versatile 1. 5 to 3 ton capacity. Utilizing a precise external equalizer, this valve provides accurate superheat control by monitoring evaporator outlet