The Whirlpool WPW10135389 is a replacement push button switch made exclusively for Whirlpool washers. This little but vital part is responsible for managing a number of your washer's operations. When the switch is pressed, an electrical circuit is completed and a signal is sent to the control board of the washer. This signal informs the control board to perform the specified function, such as initiating a wash cycle, setting a water temperature, or modifying the spin speed. A malfunctioning push-button switch may lead to several issues with your washing machine. If a switch malfunctions, the washer may not respond when you touch a button or may WPW10135389 activate the incorrect function. A faulty switch may occasionally even make it impossible for the washer to turn on properly.