The DRT4000 Series gas-burning, direct-vent fireplace offers three multi-view configurations that serve as a primary focal point for multiple rooms. With an exceptional glass viewing area and the intense flame presentation of a powerful pan burner, the DRT4000 Multi-View Series creates a beautiful, natural-looking fire that enhances the comfort and elegance of several rooms. Includes Electronic Fireplace Only. Features Model # DRT40CLDEN. BTU 22,000 31,000. Style Traditional. Fuel Natural Gas. Ignition Electronic. View Style Corner. Top flue configuration. Pre-wired for wall switch. Venting Type Direct Vent. Combo top/rear flue configuration. Durable textured powder coat finish. Listed to ANSI Z21.88 Gas Fireplace Heater. Millivolt or energy saving electronic ignition. Black painted interior optional ceramic fiber liner available . Detailed ceramic fiber aged oak log set with 1/2 heavy-duty grate. Outstanding heating efficiency for increased comfort and lower operating costs. Optional blower and remote control available for all models. Uses IHP SV 4-1/2 x 7-1/2 Direct Vent Pipe. Warranty 20 Year Limited Warranty. Specifications Overall Dimensions 45.5 W x 21.37 D x 41 H . Framing Dimensions 43.63 W x 24 D x 47.75 H .