York S1-025-30265-700 Limit Switch Incorrect wiring of the 120/208/240

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

If the sensor fails to confirm a flame within the designated trial-for-ignition window

This key is primarily used with the Honeywell CG510

and WeatherKing brands

maintaining a small footprint with board-mount versatility

York S1-025-30265-700 Limit Switch Incorrect wiring of the 120/208/240The 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