The Rheem Performance 40 Gal. Electric water heater installed by a licensed plumber provides an ample supply of hot water for households with 2-4 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. This model has a 6-year limited tank and parts warranty plus a 1-year in home labor warranty.