Raymond A Philadelphia , PA June 09, 2018 Appliance: Thermador Gas Range PRG366US Thermador Range Prg366us: The oven needed an oven burner igniter. How to replace Oven Burner Igniter. I'm not able to repair electrical or gas appliances. I had a repair person to handle the job. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes