John A Dracut , MA July 18, 2021 Appliance: Jenn-Air Freestanding-Double Oven-Dual Fuel JDR8895AAS Jenn-Air Range Jdr8895aas: My stove was set up for propane and I needed to switch back to natural gas. How to replace Orifice Holder. I purchased the new orifice holders that are complete with the orifices and igniters from AppliancePartsPros.com. They were easy to swap out. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes