Superior Direct-Vent Fireplace Insert DRI2000 SeriesThe DRI2000 Series Direct Vent Gas Insert tranforms an existing wood burning fireplace into an efficient heater that delivers comfort at the flip of a switch. Features Available in 27 and 32 heat circulating models Approved for use with zero clearance and masonry fireplaces Conveniently placed controls allow for easy operation and adjustment of flame height and blower Electronic ignition with IPI CPI switch and battery backup to provide continued