Patrick S King Of Prussia , PA October 17, 2020 Appliance: Whirlpool Free Standing Electric Range GR475LXMS0 Whirlpool Range Gr475lxms0: Burner was not working properly; could not regulate temperature. How to replace Infinite Switch (Dual Surface Element). Replaced the switch assembly; the job took about 15 to 20 minutes. Removed the back panel of the oven :10 screws and then followed the video on Appliance Parts Pros. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes