York S1-025-26392-012 SPST A/R Rollout Switch 160°F Open 120°F Close

The York S1-025-26392-012 A/R Rollout Switch 160 Open/120 Close is a temperature-sensitive safety control that monitors excessive heat conditions near the burner area in gas-fired heating equipment. It operates with a single-pole single-throw contact arrangement that opens at 160 degrees Celsius and resets after temperatures return to 120 degrees Fahrenheit. Positioned within furnaces, unit heaters, and gas-fired HVAC systems the switch responds to abnormal flame overheating conditions by interrupting the electrical circuit connected to the burner or ignition sequence. It operates within the heating assembly.