Ismael M Hartford , MI February 01, 2020 Appliance: Frigidaire Gas Range FGFL79DSA Frigidaire Range Fgfl79dsa: Switch from natural gas to lp. How to replace Orifice Kit (Lp). Myself. Thanks to you guys, never done one before. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes