The Whirlpool W10599356 Water Inlet Valve controls water flow into the washer for proper filling during wash and rinse cycles. This replacement valve connects to the household water supply and opens when the washer requires water, allowing a controlled amount to enter. It closes when the required water level is reached, stopping further water flow. A worn or faulty valve may cause slow filling, low water levels, continuous water flow, or unwanted filling. Replacing the damaged valve restores controlled water delivery and proper filling. Designed for select Whirlpool washer models, this component provides dependable water flow and supports consistent wash-cycle performance during regular household laundry use.