York S1-025-26339-001 Limit Switch Does this switch require manual

Does this switch require manual resetting

Rated for 20A 600V

The most common culprits are restricted airflow from a dirty air filter

and 240V internal circuit protection

this Johnson Controls sensor accessory provides the exact physical interface required for the Penn F61 liquid flow switch to monitor system protection parameters effectively

York S1-025-26339-001 Limit Switch Does this switch require manualThe 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