David D Buffalo , NY July 22, 2020 Appliance: Kenmore Dryer 11079622800 Kenmore Dryer 11079622800: Dryer not heating up enough. How to replace Flame Sensor. I originally diagnosed the problem to be the flame sensor but it turned out to be the gas valve solenoids. I ordered ton solenoids and replaced them. Easy fix, dryer working great. Now I have a spare flame sensor. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes