Mark J Buckhannon , WV August 07, 2025 Appliance: Whirlpool Dryer WED5620HW0 Whirlpool Dryer Wed5620hw0: Heater element separated. How to replace Thermal Cut Off. Installed new heating element. Only replace Thermal cut off & Dryer thermostat , because shared same housing . Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes