The Frigidaire 216731001 Defrost Thermostat for Refrigerator restores accurate defrost temperature control for consistent cooling performance. This replacement thermostat monitors the evaporator temperature and automatically opens or closes the electrical circuit to control the defrost heater at preset temperatures. Designed to replace a faulty or worn component, it prevents excessive... https://www.partsmelange.ca/frigidaire-216731001-defrost-thermostat-for-refrigerator