Burnaby Manufacturing G0101-5W Gas Plug Gas Outlet Box with 3/8-Inch Inlet and 3/8-Inch Outlet, White PVC Enclosure 3/8" NPT 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 degrees Fahrenheit or more Clean compact design conceals unsightly pipes and valves Complete with standoffs for siding installation