Always stick to the OEM part number 621921R to ensure the circuit is isolated correctly

protecting the motor from stall conditions

Automated Reset: Features a reliable auto-reset mechanism that eliminates manual intervention after temporary thermal excursions

This is an auto-reset control

Set your multimeter to the Volts AC scale

Lennox 65G01 Service Valve Els PW 17895 Always stick to the OEMProfessional contractors and service technicians know that a reliable seal on the liquid line is non negotiable for system integrity. The Lennox 65G01 Liquid Line Service Valve is a critical OEM component designed to provide precise refrigerant flow control during installation, maintenance, and recovery procedures. Featuring a robust forged or brazed construction, this HVAC service valve serves as the primary isolation point between the condenser unit