which are the primary failure points for external leaks in these series

refrigeration compressors

ensuring a professional

Precision Airflow Detection: Provides accurate differential pressure readings to the control board to maintain safe firing sequences

This component meets UL and CSA standards

York S1-025-38901-000 Limit Switch which are the primary failureThe York S1 025 38901 000 Limit Switch is a critical safety component designed for specific air handling and furnace applications where precise thermal monitoring is required. This SPST (Single Pole Single Throw) switch features an automatic reset (A R) mechanism, ensuring the circuit closes automatically once temperatures return to the operating range. With a factory calibrated open temperature of 55F and a close temperature of 45F, this HVAC limit