Jeffrey M Edmond , OK October 18, 2014 Appliance: Samsung Refrigerator RS267LABP/XAA-0000 Samsung Refrigerator Rs267labp/Xaa-0000 / : The refrigerator side was icing up and then water would run out from the door. How to replace Refrigerator Water Tank Heater. Getting to the drain heater really wasn't so bad. The problem was waiting for the ice to defrost so that I could remove the back panel. 7 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 2+ hours