Calvin W Burke , VA May 14, 2023 Appliance: Whirlpool Dishwasher WDF520PADM7 Whirlpool Dishwasher Wdf520padm7: The heating element and float switch were broken. How to replace Dishwasher Heating Element. Replacing the heating element and float switch with AppliancePartsPros.com hardware and Repair Clinic YouTube videos. Just followed the videos and made the swaps. Was able to complete and test all repairs in a single evening. Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours