Broken, chipped, or cracked glass chimney? No problem — UCO offers replacement chimneys for all our outdoor candle holder lanterns. Best of all, the installation process is quick and easy. To install a new glass chimney, simply remove the heat shield from the top of your candle holder and lantern, remove the old, damaged chimney, insert the new chimney, replace the heat shield, and get back to enjoying cozy heat and natural light.