Les H Epsom , NH May 11, 2020 Appliance: General Electric Gas Range JGBP28SEM4SS Ge Range Jgbp28sem4ss: Oven igniter. How to replace Oven Bake Igniter. It was a easy fix. From start to finish it was about a half hour. I also have some training behind me. The new igniter was a bit different from the old one but it installed the same way. Holding on the new oven gas valve just to make sure that the igniter was it. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes