The Rheem Performance 28 Gal. Electric short water heater provides an ample supply of hot water for households with 1-people to 2-people. This unit comes with two 4500-Watt elements and an automatic thermostat which keeps the water at the desired temperature. A 240-Volt electrical connection is required for installation. A premium grade anode rod provides long-lasting tank protection. Factory installed temperature and pressure relief valve and 3/4 in. water connections are included with the water heater for easy installation. This model has a 6-year limited tank and parts warranty plus a 1 year in home labor warranty. A 2.5 in. insulation blanket is included with this model for added efficiency.