Customer Questions and Answers for Dishwasher Water Level Float by Whirlpool

Hello Frank. No, there is no o-ring used on the float WP99002363. You will need to check and see if the water is filling to much and causing the unit to over flow out of the float chamber. If so, replace the water valve or the float switch. If the switch is testing good, then the valve is bad. You can test this with a multi-meter TJMA-DMT3. Here is a link on how to use a multi-meter. Hope this helps. http://forum.appliancepartspros.com/oven-repair-including-ranges-cooktops/4810-how-check-continuity-ohmmeter.html