Jeffrey F Ridley Park , PA October 22, 2018 Appliance: Whirlpool Dryer LE9200XWW1 Whirlpool Dryer Le9200xww1: No heat. How to replace Thermal Cut-Off Kit. Tested heating element and thermal switches for open circuit. Replaced faulty open thermal switch. The 25 year old dryer is running once again. This was a very simple project. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes