Electric Booster Water Heaters--------------------------------------------------------------------------------Available Capacities:3 KW - 54 KWAvailable Warranties:3 year limited tank warranty--------------------------------------------------------------------------------Features:System Sentinel LED diagnostic system Immersion thermostats Manual reset high limit control 208, 240, 277 and 480 voltages Magnetic contactors and integral fusing Heavy duty anode rods Durable brass valve Factory installed AGA/ASME rated Temperature and Pressure relief valve 6" stainless steel legs