Valerie B Sanford , ME September 21, 2020 Appliance: General Electric Electric Dryer GTDP200EF3WS Ge Dryer Gtdp200ef3ws: The knob on the dryer timer broke on my older model GE. How to replace Timer Knob. Ordered the exact replacement part from.AppliancePartsPros and problem solved! Perfect! Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes