Heater Gas Conversion Kit; Type Gas Conversion Kit, Natural Gas to Liquid Propane; Used On F-50/B-50/FE-50/BE-50 Model Heater; Kit Includes Regulator Spring Kit, (3) Burner Orifice, Pilot Orifice, Ignition Controller Assembly, Yellow/Black Wire Assembly, Ignition Controller Mounting Bracket, (6) Screw, Propane Gas Disk, Conversion Tape, Wiring Diagram Label