Adan A Hillsboro , TX July 10, 2015 Appliance: Whirlpool Electric Dryer WED7600XW0 Whirlpool Dryer Wed7600xw0: Would not heat. How to replace Thermal Cut Off. Replace the thermal cut off and the thermostat 6 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes