Ron C Port Orange , FL January 01, 2017 Appliance: Samsung Dishwasher DMR78AHS/XAA-0000 Samsung Dishwasher Dmr78ahs/Xaa-0000 / : Water inlet valve failed. How to replace Dishwasher Water Valve. Ordered parts and fix the dishwasher ourselves. 2 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes