William R Wentzville , MO February 19, 2019 Appliance: Samsung Refrigerator RF30HBEDBSR/AA-0000 Water would not dispense I diagnosed as bad valve and fixed by replacing the water filter assembly Read More... Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours Tools: Adjustable Wrench, Pliers, Screwdrivers