Burnaby Manufacturing G0101-2#-SS-50 Gas Plug 2# Gas Outlet Box with 1/2-Inch Inlet and 3/8-Inch Outlet, Stainless Steel Enclosure 1/2-Inch Inlet connection, 3/8-Inch kwik disconnect 60,000 BTU Natural Gas Thermal valve shuts off gas flow in conditions of 300 degrees Fahrenheit or more Clean compact design conceals unsightly pipes and valves Complete with adjustable standoffs for siding installation