Robert G Staten Island , NY December 16, 2014 Appliance: Whirlpool Refrigerator ET21DMXDW05 Whirlpool Refrigerator Et21dmxdw05: When water was filling up the ice tray it would over flow. How to replace Water Inlet Valve. I went on you tube and found out it was the valve solenoid. It was a easy fix. Saved me a lot of money. Now I have ice cubes again. Nice very happy. 19 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes