Refrigerator Thermistor
Prominent brands, including Hotpoint, General Electric, and Sears-Kenmore, supply the refrigerator defrost sensor designated as part number WR50X10056.
This component monitors the evaporator coil's temperature and relays this information to the electronic control board.
For safety, it's important to store perishables prior to deactivating power. Disconnect the appliance from its power source before beginning installation, and use work gloves to safeguard your hands.