Pia A Brooklyn , NY March 14, 2015 Appliance: Whirlpool Undercounter Dishwasher DU850DWGB0 Whirlpool Dishwasher Du850dwgb0: Leaking drain hose. How to replace Drain Hose Assembly. Replaced the hose Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes