Judith M Athens , AL August 04, 2020 Appliance: General Electric Electric Range JB250DF4WW Ge Range Jb250df4ww: Left back burner would get red hot even on 2 or 3. How to replace Range Infinite Switch 8 Inch. Spoke with representative and explained situation. She diagnosed it as the switch, not the burner. Part arrived. Installed but part was defective. Called again and am received another part very soon...great customer service! Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes