David A Covington , LA August 19, 2017 Appliance: Whirlpool Electric Range RF369LXPB0 Whirlpool Range Rf369lxpb0: Burner control infinite switch needed to be replaced . How to replace Range Surface Element Switch. Ordered new part from appliancepartspros.com after watching the video and changed the part in under a half hour. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes