Phil H Brookville , IN September 11, 2022 Appliance: Whirlpool Gas Range SF357PEKW1 Whirlpool Range Sf357pekw1: Broken knob. How to replace Control Knob. Ordered the Control Knob. Received very quickly. Installed new knob. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes