Automatically cut off power at 145°F to overheating and resets automatically when cooled to 85°F (145°F 60°F differential), supporting safe temperature regulation The design is simple, and can be replaced within a few minutes Part number: 111002431, 60TX11, 315208. Very suitable for users who need to replace or upgrade their home heating systems Make of and Metal, it is and enduring, and can be used for a long time Acts as a thermal cutoff for HVAC systems, interrupts circuit when temperatures exceeds 145°F to protect components from heat damage, used in furnaces and heating equipment