This recall involves Ortal’s direct vent gas fireplaces installed by professionals, with model names Traditional 90 (TR90) and Traditional 110 (TR110) TR. The fireplaces have a black finish and run on propane or natural gas. Model number US90XXTRP1SNXLXX or US110XTRP1SNXLXXX is on the rating plate located at the bottom of the fireplace near the valve control. Improper installation of the fireplaces can lead to problems with heat release and/or ventilation, posing a fire hazard. For more information, please visit the U.S. Consumer Product Safety Commission website.