The York S1-025-29041-003 Limit Switch is a critical OEM safety component engineered for precise thermal regulation within residential gas furnaces and HVAC systems

For technicians troubleshooting Reznor heater error codes or persistent flame roll-out issues

or a blower motor with high internal resistance or a failing capacitor

optimizing flue gas velocity and pressure switch performance

KMC Controls SSS-1005 Sensor The York S1-025-29041-003 Limit SwitchThe KMC Controls SSS 1005 is a high precision differential pressure flow sensor designed for accurate velocity pressure sensing in the inlet sections of VAV (Variable Air Volume) and fan terminal units. This 9 29 32 inch multi point pitot tube features four specific sensing points to provide an averaged pressure signal, ensuring consistent performance even in turbulent airflow conditions. Engineered for integration with building automation systems