Comes pre-configured for installation with a winterizing bypass kit including a bypass valve, tee-fittings, hoses, and a thermostatically regulated mixing valve with check valves in the inlets. Can fit the same cut-out space as the preferred Atwood Water Heater. Water Heater; Gas-Electric; 10 Gallon/ Up To 16 Gallon With Exothermal Technology; Model WH-16GEA XT; Electronic Ignition; 10000 BTU; 15.75 Inch Height x 15.75 Inch Width x 25 Inch Depth Dimensions; 15.75 Inch Height x 16.25 Inch Width x 25.13 Inch Depth Cut-Out; 25 Pounds; Non Portable; Aluminum Tank/ Stainless Steel Intake Vent/ 3-Prong Plug; Access Door And Control Switch Sold Separately.