Robert K Cazenovia , NY February 22, 2019 Appliance: Thermador Dishwasher DW244UW Thermador Dishwasher Dw244uw: No spray during wash cycle pump impeller was broken. How to replace Circulation Pump Repair Kit. Watched AppliancePartsPros video, disassembled the dishwasher and replace impeller and seals. 5 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 2+ hours