Donald S Dover , PA June 08, 2019 Appliance: Whirlpool Undercounter Dishwasher GU2700XTSB0 Whirlpool Dishwasher Gu2700xtsb0: Dispenser was not working properly. How to replace Dispenser Assembly. Replaced dispenser with new part that fit perfect and is now working properly. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes