12Gallon LP/Electric Suburban Water Heater - Porcelain-lined steel water heaters feature an anode rod to in absorbin the electrolytic action ensuring that your water heater lasts longer. With the fastest recovery in the industry of 12gallons, this water heater gives you hot water faster. Copolymer insulation jackets specially fit the tank to retain heat. For higher recovery use the gas and optional electric element water heaters which use a 1440Watt, 12Volt AC element to recover an additional 6gallons per hour. Water heaters with re-igniter eliminate the need to relight the pilot.