The DRT40-CL Direct-Vent fireplace offers a two-sided, corner configuration, facing the left (CL) that serves as a primary focal point in the home. With an exceptional glass viewing area on two sides and the intense flame presentation of a 31,000 BTU pan burner and painted black interior, the DRT40-CL creates a beautiful, natural-looking fire that enhances the comfort and elegance. These models include a powder coat finish, deluxe Split Oak log set, tempered glass, decorative volcanic stone. All units are equipped with a standard barrier that meets 2015 requirements.Listed to ansi z21.88 gas fireplace heater Combo top rear flue configuration Top flue configuration Millivolt or energy saving electronic ignition Pre-wired for wall switch Outstanding heating efficiency for increased comfort and lower operating costs Detailed ceramic fiber aged oak log set with 1 2 heavy-duty grate Black painted interior (optional ceramic fiber liner available) Durable textured powder coat finish Optional blower and remote control available for all models Uses ihp sv 4-1 2 x 7-1 2 direct vent pipe 20 Year limited warrantyBTU: 22,000 - 31,000 Controls Optional: Optional Remote Framing Depth: 24 Framing Height: 47-3 4 Framing Width: 43-5 8 Rating: ANSI Z21.88 Style: Traditional Venting Type: Direct Vent View Style: Corner Weight: 294