Pay in 4 interest-free payments of $9.71 Learn more
Ships within 48 hours · Estimated delivery Sep 17 - Sep 22
Rated for 20A 600V
The most common culprits are restricted airflow from a dirty air filter
Does this switch require manual resetting
If airflow is sufficient and the switch opens below the 270
Key Benefits Direct OEM Compatibility: Specifically engineered for a seamless fit on T-4000 series horizontal thermostats
York S1-025-26339-001 Limit Switch Rated for 20A 600VThe York S1 025 26339 001 Limit Switch is a primary safety component engineered for precise thermal monitoring in residential and light commercial forced air systems. This 100 250F auto limit switch features an automatic reset mechanism, designed to break the 24V control circuit if the heat exchanger plenum exceeds the calibrated 250F threshold. As a critical furnace high limit sensor, it prevents thermal stress and potential heat exchanger cracks by