Brinna Z Oakdale , MN August 03, 2020 Appliance: General Electric Gas Range JGBS66DEK3WW Ge Range Jgbs66dek3ww: Bought open box range that was set up for propane and needed to change it back to natural gas. How to replace Gas Range Oven Orifice Holder. My only option to get the natural gas orifices was to buy the tubing with it. This was easy; I simply switched out the lp orifices with the natural gas using a socket. However, I still found one burner not lighting. I came to find out by looking underneath the top that the tubing was broken. So I lucked out on needing the tube holder for that burner. But I will mention, it would still be nice if I could have found the natural gas orifices sold separately. No one sells these separately from the research I did. 2 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes