6 Gallon LP Suburban Water Heater with DSI - Porcelain-lined steel water heater features an anode rod to help ensure that your water heater lasts longer by helping eliminate corrosion. This water heater features one of the fastest recovery times in the industry. Copolymer insulation jackets specially fit the tank to retain heat. For higher recovery use the optional electric element to recover an additional 6 Gallons per hour. (Pictured with door - door is sold seperately). Dimensions: 12-3/4 inch W x 12-3/4 inch H x 19-3/4 inch Deep. Door sold seperately, and available as either a flush or surface mount.