York S1-024-26099-000 Limit Switch meaning they can be used

meaning they can be used interchangeably in the field

measure resistance across the leads

Compatible with a wide range of Barber Colman 2x2 pneumatic thermostats and 22XX series devices

Key Benefits for Contractors Precise Thermal Calibration: Calibrated to a strict 150 degree Fahrenheit trip point to protect the heat exchanger from cracking

Is the S1-9951-0861 compatible with all York furnaces

York S1-024-26099-000 Limit Switch meaning they can be usedThe York S1 024 26099 000 Limit Switch is a critical safety component engineered for high limit temperature monitoring in residential and commercial furnace applications. This 180F M R limit switch is designed to open the electrical circuit when the internal plenum temperature exceeds the 180 degree Fahrenheit threshold, preventing heat exchanger damage and potential fire hazards. Featuring a manual reset (M R) mechanism, this OEM York replacement