Raymond W Richmond , VA September 10, 2016 Appliance: Whirlpool Refrigerator ED22RQXXW01 Whirlpool Refrigerator Ed22rqxxw01: Hollow ice cubes and coating flakes in the ice. How to replace Refrigerator Ice Maker Kit. Replaced the ice maker and installed new water valve. The replacement parts were a perfect fit. Watched the "how to" video for an added comfort level Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes