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a faulty exhaust pressure switch is a common culprit for ignition failure or system lockout codes
preventing unnecessary lockouts in systems where a brief interruption is permissible
the V47AB-24 is technically identical to the V47AB-24C
Always verify the control voltage on your schematic before installation
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
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