Rich L Claremore , OK December 19, 2020 Appliance: General Electric Dishwasher PDW8200J10CC Ge Dishwasher Pdw8200j10cc: Water not draining at end of cycle. How to replace Dishwasher Check Valve Flapper. Replaced the inlet sump, which was deteriorating, the drain pump assembly due to the concern of pieces from the inlet sump plugging the mechanism, and the flapper valve to be safe since it was cheap and easy to replace. Total repair, including disconnect and reconnect of the dishwasher and part removal and replacement took about 3 hours. Videos on Appliance Parts Pros site helped tremendously. Do-It-Yourself Rating: Repair Time Estimate: 2+ hours