Mark L Denville , NJ February 02, 2025 Appliance: Bosch Dishwasher SHX43C05UC/50 Bosch Dishwasher Shx43c05uc/50: Dishwasher would fill up with water after not being used for a day or two. How to replace Water Valve Assembly. Replaced the water inlet valve. We have very hard water here and this was the 2nd time I had to replace this in 15yrs. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes