Napoleon BP3 Flashing for Oakdale Series Fireplace Inserts w11.7 Won't the chimney fan add

Won't the chimney fan add to the problem

6 Temperature Rating (Interm

HIGH HEAT BAFFLE: The high heat ceramic baffle is made of high quality ceramic that won’t deteriorate

Electronic ignition control models feature gas-saving intermittent pilot ignition (IPI) and seamless battery backup that provides continued operation in the event of a power failure

and ember bed log switch

Napoleon BP3 Flashing for Oakdale Series Fireplace Inserts w11.7 Won't the chimney fan addThis three sided backer plate is designed to fit all of the Napoleon's EPI3 Wood Burning Inserts. This backer plate will sit between your wall and the EPI3's cast iron surround, protecting your masonry and help your new fireplace perfect fit in the opening. These plates will perfectly match your surround, creating a seamless look. Besides helping to create a perfect fit, this backer plate comes with everything you need to install it. That includes