W10225581 Refrigerator Bimetal Defrost Thermostat – Compatible with Whirlpool, KitchenAid, Kenmore, and many more brands Ensure your refrigerator runs efficiently and prevents frost buildup with the W10225581 Bimetal Defrost Thermostat. Designed for reliable performance, this replacement part helps regulate the defrost cycle, protecting your appliance from excessive ice accumulation and maintaining consistent cooling. Key Features and Benefits: Restores proper defrost function for improved refrigerator performance and energy efficiency Direct replacement for multiple OEM part numbers, ensuring fit and compatibility quality construction for durability and long service life Easy to install with standard tools, reducing downtime and costs Compatibility: This bimetal defrost thermostat is designed for use in select models from the following brands: Whirlpool, KitchenAid, Kenmore, Amana, Crosley, Estate, Ikea, Inglis, JennAir, Magic Chef, Maytag, and Roper. Replaces part numbers: WPW10225581, WPW10225581V, W10225581, W10260437, AP4511066, 2321799, 2321802, 2319914, 2188824, 2315504, 1872722, 2149849, 2161331, 2176066, 2196155, 2266066, 2266067, 2317087, 4387498, AH2376801, EA2376801, PS2376801, PS11750673. Typical Use Scenarios: 1. Replacing a faulty thermostat in a Whirlpool sidebyside refrigerator that shows signs of frost buildup in the freezer compartment. 2. Fixing a KitchenAid bottomfreezer unit that fails to defrost, causing temperature fluctuations. 3. Preventive maintenance for a Kenmore freezer model to avoid overcooling and ice blockage in the evaporator coils. Function and Performance: The bimetal defrost thermostat plays a crucial role in the defrost system by opening and closing the electrical circuit based on temperature changes. When the evaporator reaches defrost temperature, the thermostat cuts power to the heater, preventing overheating and ensuring ice melts evenly without affecting food storage. Material and Build: Constructed with robust components to withstand temperature extremes, ensuring reliable operation in demanding refrigeration environments. By choosing the W10225581 Refrigerator Bimetal Defrost Thermostat, you can restore your appliance's cooling efficiency, prevent costly food spoilage, and extend the lifespan of your refrigerator.