Kenneth P Vershire , VT October 14, 2017 Appliance: Kenmore Dryer 41779042991 Kenmore Dryer 41779042991: Low heat in gas dryer. How to replace Heat Sensor. Popped the top, removed two screws and lifted off the front panel. Quickly located the three worn parts. Two screws and they were replaced. Closed it up, fired it and it worked like new. Total time 20 to 30 minutes. 8 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes