Mark D Hartford , CT June 16, 2017 Appliance: Whirlpool Refrigerator ED25TWXDN01 Whirlpool Refrigerator Ed25twxdn01: Refrigerator and freezer cooling intermittently. How to replace Refrigerator Temperature Control Thermostat. Installed the new thermostat. Only difficult part of the fix was feeding the capillary tube through the existing rubber tubing. Tight fit. Hard to get the full length of tube onto the capillary tube without bending it too much 2 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes