Marcos F Garner , NC January 06, 2023 Appliance: Whirlpool Electric Dryer WED6400SW1 Whirlpool Dryer Wed6400sw1: The dryer was not heating and taking too long to dry clothes. How to replace Radiant Surface Element (Dual). I replaced the broken heating element in my dryer and it works great now. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes