Atwood Ehm11 Water Heater W/ Heat Exchanger 11 Gallon 110V Volt: 110V Gallons: 11 Gal Gallons: 11Heat Exchanger: YesVolts: 110vBox Dimensions: 17&quot;H x 18&quot;W x 22&quot;L WT: 22.5 lbsUPC: 692931938820 Safe & efficient heat exchangersTo quickly heat water when under power, Dometic has developed efficient heat exchangers. Each heat exchanger is specifically designed for the water heaters capacity resulting in heat up times superior to competitive models. These heat exchangers ensure safety by using a unique double tube construction which prevents any possibility of engine coolant contaminating the fresh water system. Corrosion resistant constructionThe casing of every Dometic Atwood electric water heater is constructed from corrosion resistant materials and the non stainless steel models are carefully painted to stand up against the most corrosive marine environments. Special attention to detail on edges and corners helps assure greater handling safety. The Dometic Atwood tank is constructed of high strength aluminum core with a bonded corrosion fighting cladding material on the interior surface to assure a