Raymond M Vero Beach , FL May 20, 2021 Appliance: Whirlpool Electric Range GR673LXSS1 Whirlpool Range Gr673lxss1: Burner only had one level of heating (bad infinite control switch). How to replace Switch, Infinite Control. Replaced switch. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes