John B Rancho Palos Verdes , CA June 30, 2018 Appliance: General Electric Refrigerator PTS25LHRBRCC Ge Refrigerator Pts25lhrbrcc: Faulty refrigerator defrost. How to replace Defrost Heater. Replaced defrost heater and defrost thermostat. 12 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 2+ hours