Heater Gas Conversion Kit; Type Gas Conversion Kit, Natural Gas to Liquid Propane; Used On F-130/B-130/FE-130/BE-130/F-165/B-165/FE-165/BE-165/F-200/B-200/FE-200/BE-200/F-250/B-250/FE-250/BE-250/F-300/B-300/FE-300/BE-300/F-400/B-400/FE-400/BE-400 Model Heater; Kit Includes Regulator Spring Kit, (12) Burner Orifice, Pilot Orifice, Propane Gas Disk, Conversion Tape