York S1-025-29041-001 Limit Switch The Sensus 138-18-021-01 White Spring

The Sensus 138-18-021-01 White Spring is the industry standard for technicians needing a reliable 1 to 5 PSI outlet pressure range

Application Versatility: Suitable for use in a variety of forced air heating systems requiring a fixed-temperature cutout

The DCL series

For Bard HVAC safety and liability compliance

If the pilot flame frequently flickers or goes out due to external drafts

York S1-025-29041-001 Limit Switch The Sensus 138-18-021-01 White SpringThe York S1 025 29041 001 Limit Switch is a critical OEM safety component engineered for precise thermal monitoring in high efficiency furnace and air handling units. Specifically designed as an Auto Reset Limit Switch, it features a 3 inch probe insertion to accurately gauge plenum temperatures. This HVAC high limit control is calibrated to trigger at a high end threshold of 220F and reset at 190F, preventing heat exchanger damage and ensuring safe