WG03F07360 Defrost Limit Thermostat, Defrost Thermostat, Thermostat Cut-Off, Defrost Bi-Metal

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WG03F07360 Refrigerator Defrost Limit The WG03F07360 is a genuine OEM defrost limit thermostat (bi-metal cut-off) used in select GE refrigerators. It’s a temperature-sensing safety /control device clipped to the evaporator tubing. During defrost, it opens at a preset temperature to stop the defrost heater once the evaporator is warm enough, preventing overheating and liner damage. When the evaporator is cold again, it closes to allow the next defrost cycle to energize the heater. Common failures are contacts stuck open (no defrost), stuck closed (overheating risk), moisture intrusion, or wiring fatigue at the leads. Symptoms: heavy frost/ice buildup on the evaporator, warm fridge temps, weak airflow, evaporator fan noise from ice contact, long run times, or repeated defrost-related faults. IMPORTANT: Match by model; GE uses multiple cut-off temperature ratings. CRITICAL: Unplug refrigerator before servicing; sharp fins and ice edges are common. Show more