Suburban Mfg Water Heater Sw12De 12 Gal Dsi & Electric. It includes our two year parts and labor limited warranty and third year tank limited warranty. Using the same cut out opening you get two additional gallons of hot water with the highest tank capacity in the RV industry. More hot shower time and more hot water for domestic use. Same sidewall cut outs as the 10 gallon models. Only 1 3/4" deeper than current 10 gallon models. Direct spark ignition models available. Optional electric element and motor aid with steel glass lined tank with a node rod protection. Features of Suburban Mfg 5247A Water Heater Sw12De 12 Gal Dsi & Electric Gallon Capacity: 12 Input BTU/hWatts: 12000/1440 Recovery Gals./Hr.(Gas/Electric): 10.1/6.1 Installation is quick and easy Package Contents: Suburban Mfg 5247A Water Heater Sw12De 12 Gal Dsi & Electric Suburban Mfg 5247A: Water Heater Sw12De 12 Gal Dsi & Electric