Always disconnect the washer from the power and water supply before servicing. This Whirlpool W10304342 Washer Pressure Switch also includes a 1-year free replacement so you can rest easy. View model part information at the bottom of this page, spare part numbers include WPW10304342, AP6019132 and PS11752436. If you are unsure of your model number, please find your model number and information in the description.