American Gas Lamp Works Bavarian 1200H 14" Nouveau Silver Residential Post Mount Aluminum Natural Gas Lamp With Triple Inverted Gas Mantle Light Assembly, Beveled Tempered Glass Panes and Small Cast Acorn Finial teak wood Its simple mechanism makes it Ignition System:FyreStarter Electronic Ignition System Its simple mechanism makes it possible to close the damper tightly when the heating appliance is not in operation This conventional design can slide into an existing Zero Clearance wood burning fireplace or will need 10” to 12” of depth in a wall for the built in slide in flush mount look Our Welsbach mantle gas lamps can be equipped for use with natural gas (NG) or liquid propane (LP) How do you turn a gas lamp on and off