Polly B Puyallup , WA July 17, 2019 Appliance: General Electric Refrigerator TFX20JABBWW Ge Refrigerator Tfx20jabbww: GE side by side refrigerator fresh food side warming. How to replace Refrigerator Defrost Timer. Replaced recommended components based on appliance parts pros recommendations. Extremely impressed with online diagnostics and one call to the helpline. Very professional. Appliance running perfectly. Saved 100s of $. Thank you very much. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes