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As a veteran-grade flame sensor rod
refer to the 90-292Q or 90-295Q series
Utilizing an OEM York replacement part preserves the system's design original specifications
Built for longevity in high-heat environments
Precision Calibration: Factory-set temperature thresholds ensure the system shuts down accurately before unsafe levels are reached
York S1-025-26392-704 Limit Switch As a veteran-grade flame sensorThe York S1 025 26392 704 is a professional grade SPST A R Limit Switch designed for precise thermal regulation in York HVAC systems. Engineered for high reliability circuit protection, this fixed temperature limit switch operates as an automatic reset furnace switch, featuring a factory calibrated 120F open temperature and a 100F close temperature. This specific 120Op 100Cl thermal switch is a critical safety component, monitoring high limit
