The GE 40 gal. 9 Year Medium Electric water heater provides a ample supply of hot water for a 1 - 2 bath home. This unit comes with two 4500 watt elements, a factory installed temperature and pressure relief valve and requires a 240 volt electrical connection for installation. The automatic thermostat keeps the water at desired temperature. The 9 year model features a stainless steel upper element which resists dries firing and scale build-up. This model also comes with a self cleaning system that helps reduce sediment and increases tank life and is easy to maintain. This model has a 9 year tank and parts limited warranty.