Light Duty Electric Water Heaters--------------------------------------------------------------------------------Available Capacities:3 KW - 12 KWAvailable Warranties:3 year limited tank warranty--------------------------------------------------------------------------------Features:208, 240, 277 and 480 voltages Porcelain enamel lined tank Heavy duty anode rod 2 1/2" of rigid polyurethane foam insulation provides superior insulating qualities resulting in reduced operating costs. Baked enamel steel jacket Patented resistor heating elements Surface mounted thermostat Manual reset high limit control Durable brass drain valve Factory installed AGA/ASME rated Temperature and Pressure relief valve