The drt4200 series direct vent gas fireplaces are the epitome of luxurious value. They come standard with multiple premium features including gorgeous high-definition logs, interior lighting, and ceramic glass. Whether powered off or on, the drt4200 series fireplaces will retain their warm and lavish appeal throughout each season of the year.Uses secure vent 4-182 7-1 2 rigid and secure flex direct-vent components 40 Models Combo top rear flue configurations 45 models dedicated top flue configuration Electronic ignition with seamless battery backup provides continued operation in the event of a power outage (IPI CPI switch standard) Smooth-faced design features ceramic glass for optimum heat transfer and a protective screen Beautifully crafted high-definition ceramic fiber log set with heavy-duty grate Interior selections (one required) consist of black reflective porcelain or a variety of ceramic fiber liners Durable textured powder coat finish Mood enhancing interior illumination with six distinctive settings Full-function remote control (thermostat, dual flame, blower, lighting, IPI CPI) Factory installed blower with six speed settings to fine tune your heating needs 20 Year limited warrantyBTU: 21,000 - 36,000 Controls: Multi-Function Touch Remote Included Depth: 22 Height: 41-1 4 Style: Traditional Venting Type: Direct Vent View Style: Front View Weight: 210 Width: 40-7 8