The DRI2530TEN Direct Vent Gas Insert offers the convenience and efficiency of gas, the look of a real wood fire and a variety of options to enhance any décor.Available in a 32 circulating radiant model Approved for use with zero clearance and masonry fireplaces Gas controls are conveniently hidden at the bottom of the fireplace opening for easy installation and finishing Electronic ignition with IPI CPI switch and battery backup to provide continued operation in the event of a power outage Pan burner with up to 33,000 BTUs 65.6% AFUE P4 heating efficiency Detailed ceramic fiber logs with integrated log grate Features ceramic glass for optimum heat transfer Factory installed heat activated variable speed blower Black painted interior Optional remote control (Tstat only) 20 Year limited warrantyBTU: 24,000 - 33,000 Controls: Optional Remote Minimum Fireplace Depth: 16 Minimum Fireplace Height: 19-1 2 Minimum Fireplace Width: 31-1 2 Style: Traditional