The Samsung DA47-00243K Refrigerator Bimetal Defrost Thermostat is a temperature-sensitive safety device designed to regulate your refrigerator’s automatic defrost cycle and prevent overheating. Installed on the evaporator coil, it monitors coil temperature and automatically shuts off the defrost heater once a preset temperature is reached. This bimetal thermostat operates by using tw... https://www.hnkparts.com/da47-00243k-smg-thermo-bimetal