This sump check valve (part number WP8268375) is for dishwashers.
Sump check valve WP8268375 prevents drain water from flowing back into the pump sump.
Unplug the dishwasher and shut off the water supply before installing this part. Wear work gloves to protect your hands.
WP8268375 (or 8268375)
The manufacturer substituted part 8268375 with this new part WP8268375
Large Kitchen Appliances
1.5" INHx 1.5" INHx 0.25"FOT