Robert M Whitaker , PA March 23, 2026 Appliance: Whirlpool Undercounter Dishwasher DU915PWSB0 Whirlpool Dishwasher Du915pwsb0: Thermal fuse. How to replace Thermal Fuse. Checked first what may be cause Appliance Parts Pros gave me 4 different things that might be possible problem. With percentage of it being the problem. Thermal fuse was first thing by percentage that goes bad Looked at thermal fuse looked blown . Appliance Parts Pros had video to watch how to check thermal fuse with a multi tester so I can make sure it was bad. Also had video to remove it and install it. Very informative and geared for Diy. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes