American Water Heaters E62-80H-045DV Residential Electric Water Heater, 80 Gallon Dual Heating Elements, 4.5 Kilo Watts/240 Volts (other wattages and voltages are available) for maximum efficiency. Non-CFC Polyurethane Foam to prevent heat loss and reduce energy costs Fused Ceramic Shield Tank for anti-corrosion protection Factory-installed Side Temperature and Pressure Valve Non-Metallic, Corrosion-Free Drain Valve