Paul B Wilmington , NC December 09, 2022 Appliance: Whirlpool Dishwasher WDT750SAHZ0 Whirlpool Dishwasher Wdt750sahz0: My Whirlpool dishwasher would not fill with water. How to replace Water Inlet Valve. Tapped on the top of the solenoid on the inlet water valve and the valve opened allowing water to fill the washer. Ordered a replacement valve. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes