The Trane THT2212 SPST Thermal Cutoff Switch is a safety control device designed for compatible Trane HVAC equipment, including furnaces, air handlers, and heating systems. It monitors operating temperatures and automatically interrupts the electrical circuit if excessive heat is detected, helping protect critical components from overheating. Once safe conditions are restored, the sys... https://www.partshnc.com/spst-therm-cutoff-265op-35cl-5