Calvin G Portland , TN October 14, 2019 Appliance: Maytag Refrigerator MFI2569VEW10 Maytag Refrigerator Mfi2569vew10: Ice making and temp control. How to replace Refrigerator Defrost Thermistor Kit. Replaced defrost thermostat, replaced frig thermistor. Good experience. Excellent support and assistance for Maytag. 2 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours