Christine R Medford , OR May 17, 2015 Appliance: General Electric Gas Range JGP636WED2WW Ge Cooktop Jgp636wed2ww: Chipped grate. How to replace Burner Grate. I was very happy to be able to purchase a new grate for a built in GE cooktop I have had since 2004. The service was great and I received it in a timely manner. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes