Burnaby Manufacturing Gas Plug G0101-5G-50-120DC Gas Outlet Box with 1/2-Inch Inlet Bottom Connection, 3/8-Inch Outlet and Grey PVC Enclosure 1/2" NPT Bottom Inlet connection, 3/8" Quick Disconnect Outlet, Male Plug Included 60,000 BTU Natural Gas / 90,000 BTU Propane Thermal valve shuts off gas flow in conditions of 300-Degree Fahrenheit or more Clean compact design conceals unsightly pipes and valves Complete with standoffs for siding installation