Suburban 12 Gallon Water Heater Gas/Electric - SW12DELProduct Description: This Suburban water heater gives you plenty of hot water. Suburban Water Heaters are known for their porcelain lined steel tank and foam insulation that provides for long life. The high recovery 12,000 BTU hour units have a large diameter drain and replaceable anode rod. Heated water corrodes most metals, but the porcelain lined steel tank features a replaceable anode rod that absorbs the destructive, corrosive action of heated