normally closed (NC) safety device that monitors the heat exchanger and inducer housing temperatures

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

Does this fuse fit in a standard Mersen or Bussmann holder

As a manual reset limit switch

High-Pressure Performance: Specifically designed to handle the elevated pressures found in modern R-410A systems

York S1-025-41319-000 Limit Switch normally closed (NC) safety deviceThe 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