Janet B Carson , CA October 17, 2016 Appliance: Whirlpool SF310BEGW5 Whirlpool Range Sf310begw5 / : Needed a knob!. How to replace Surface Burner Control Knob (Black). Ordered 2 knobs. Attached one knob and it works perfectly. Fast and prompt service. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes