This pneumatic fitting is specifically designed to mount on the upper end of the 22-120 socket assembly

HVAC System Reliability: High-quality internal contacts prevent nuisance tripping and ensure consistent furnace safety limit operation

specifically engineered to manage start capacitor engagement in refrigeration systems

Ensures accurate proportional control by maintaining consistent positioner spring tension

3-inch long sensing bulb offers high thermal sensitivity and response time to shifting air temperatures

York S1-025-41319-000 Limit Switch This pneumatic fitting is specificallyThe York S1 025 41319 000 Limit Switch is a critical furnace high limit control engineered for precise thermal monitoring within York, Luxaire, and Coleman residential heating platforms. This OEM York replacement part features a factory calibrated fixed temperature setting, designed to open the electrical circuit at 165 degrees Fahrenheit and automatically reset once the plenum temperature cools to 125 degrees Fahrenheit, providing a standard 40