The Tecumseh K90-19 Thermal Overload Protector is a reliable safety component designed to protect HVAC compressors from overheating and excessive electrical current. It automatically interrupts power when unsafe operating temperatures or overload conditions occur, then helps restore operation once the compressor has cooled. Commonly used in air conditioners, refrigeration systems, hea... https://www.partshnc.com/thermal-overload-protector