Christopher P Hawthorne , NJ January 09, 2017 Appliance: General Electric Gas Dryer DPXR483GA2WW Ge Dryer Dpxr483ga2ww: The start knob slipped past the start setting on the panel but the dryer did start. How to replace Selector Knob. I ordered a replacement knob, pulled the old one off and pressed the new on one. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes