The Whirlpool W10339334 Pressure Switch monitors water levels in the washer to support accurate and consistent wash cycles. This replacement component senses the air pressure in the washer’s pressure hose as the water level changes inside the tub. It sends the corresponding signal to the control system, allowing the washer to determine when enough water has entered and when filling sh... https://www.partsmelange.ca/whirlpool-w10339334-pressure-switch-for-washer