York S1-025-30265-700 Limit Switch preventing hazardous conditions caused by

preventing hazardous conditions caused by restricted venting or heat exchanger failure

Incorrect wiring of the 120/208/240 primary leads can lead to immediate component failure or insufficient secondary voltage

the board may run the cycle until the safety timeout (usually 10 minutes) is reached

This key is primarily used with the Honeywell CG510

Using a genuine Rheem Protech contactor prevents common issues like premature pitting or welded contacts

York S1-025-30265-700 Limit Switch preventing hazardous conditions caused byThe York S1 025 30265 700 Limit Switch is a critical safety component designed for precise thermal regulation in residential and light commercial HVAC systems. As an OEM replacement part, this auto reset limit switch is engineered to monitor heat exchanger temperatures, triggering a circuit break if internal cabinet conditions exceed safe operating thresholds. The S1 025 30265 700 is technically identical to S1 2702 317, providing a direct cross