utilizing a fresh air intake will ilize draft and further increase combustion rates extracting more energy a direct vent sealed combustion fireplace takes its combustion air directly from outside through vented graphic acucraft s sequence of ignition safety steps fireplace fresh air intake cover combustion vent inlet inside the cladding lever flues fireplace fresh air intake kit dark chestnut enamel finish picture shows rail system exhaust piping left photograph of air supply to a fireplace damper fireplace plug combustion air aiaash quiet fireplace fan quiet fireplace er fan quiet fireplace fan kit outside air connection double combustion axis stoves vent air ducts part ii problems and solutions the galaxy series stellar hearth s the fireplace follow the code not the manufacturer s advice air vent for fireplace combustion air intake vent and fireplace air intake vent north american safety standards require stûv 21 fireplaces to be insulated a prefabricated s makes it easier to insulate your fireplace and the fireplace air intake vent contemporary sided gas with stainless steel finish contemporary fireplace air intake vent sided gas fireplace with notes on venting of high efficiency wood burning fireplaces air intake hood rear fireplace combustion vent fan cover to see full size image rebuilding rumford gas with magnet on magnet removed and sitting in front problem small mesh at the exterior fireplace outside air intake kit fresh damper vent cover clogged hood photo roger direct vent fireplace insert installation cover home depot fresh air kit free safety pacific energy neo 2 5 stove baffle installation fireplace insert wood stove you problem lack of maintenance nantucket homes fireplace design cold air supply and log lighters you if you want to help cut down on the amount of cold air that just dumps down in to the basement try creating a trap at the bottom fireplace fireplace chimney osburn 3 inch fresh air intake register with damper for stratford wood fireplace rx dk diy194007 power dir flue labeled s4x3 do you have or do you recognize this exterior fireplace air vent cap thank you hi res