York S1-025-47175-000 Limit Switch 125/95

The York S1-025-47175-000 Limit Switch monitors temperature, interrupts burner operation when excessive heat develops, and restores operations after cooling occurs in furnace systems. The bimetallic sensing element respond to thermal changes, opening electrical contacts at 125 degrees Fahrenheit to halt combustion and closing them at 95 degrees once safe conditions return. Mounted directly onto furnace heat exchangers within heating equipment, this component prevents overheating damage while ensuring proper airflow before ignition resumes. The switch protects essential component from thermal stress, maintaining safe operational parameters without requiring manual assistance.