The General Electric WR50X10108 refrigerator defrost thermostat plays a critical role in preventing frost buildup by regulating the defrost cycle. A disruption in its function can cause excess frost, inefficient cooling, or potential damage to the evaporator coils. If issues arise, replace it promptly with a compatible option like the HnKparts thermostat to restore optimal performance. https://www.hnkparts.com/wr50x10108-general-electric-thermostat-defrost-fz