The Temperature Control Thermostat is an OEM part for GE refrigerators. It functions as the primary sensor and control for regulating the refrigerator and freezer temperatures, ensuring that the appliance maintains optimal cooling conditions. By monitoring the internal temperatures and triggering the cooling system when necessary, this thermostat helps preserve food freshness and consistency. Symptoms of a bad Temperature Control Thermostat include: The refrigerator or freezer being too cold or too warm Frequent or continuous running of the refrigerator Unusual fluctuations in internal temperatures Causes of a bad thermostat can include electrical issues such as faulty wiring or sensor malfunctions, wear and tear from normal use, or improper settings that prevent the thermostat from accurately gauging and controlling temperature. This GE replacement part is also compatible with Hotpoint, RCA, and some Kenmore models.This part fixes the following symptomsFridge too coldFridge runs too longWR09X20002 (AP5806677) replaces WR09X10027, WR09X10042, WR09X10043, WR09X10133, WR9X547, 3280631, PS9493106, WR09X0547, WR09X10109, WR9X10027, WR9X10042, WR9X10043.