Tracey R Iron Station , NC June 18, 2018 Appliance: Whirlpool Electric Dryer WED9200SQ0 Whirlpool Dryer Wed9200sq0: Wasn't heating. How to replace Thermal Cut Off. Replaced the heating element, cutoff-tml, & thermastat. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes