Larry C Mapleton , ME May 07, 2016 Appliance: Samsung Dishwasher DMT800RHS/XAA Samsung Dishwasher Dmt800rhs/Xaa / : Lower spray nozzle had warped and rinse aid dispenser stopped dispensing. How to replace Dishwasher Rinse Aid Dispenser. Replaced both items, pretty straight forward. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes