John K Warrington , PA February 13, 2024 Appliance: Whirlpool Washer WTW4800BQ1 Whirlpool Washer Wtw4800bq1: Water valve did not shut the water off. How to replace Water Inlet Valve. I replaced the inlet water valve. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes