The Whirlpool WP34001131 is a genuine replacement hot water inlet valve designed particularly for Whirlpool washers. It functions as a gatekeeper, regulating the flow of hot water into the washer tub during wash cycles. By turning on a solenoid, The valve permits hot water to enter the machine. In doing so, you can be sure the washer is using the right water temperature for the best possible cleaning. A malfunctioning hot water inlet valve can cause many problems, including the washer not filling with hot water at all, taking too long to fill, or overflowing due to a jammed open valve. Replacing a faulty valve with the WP34001131 ensures proper and complete hot water washing for your laundry.