Spec. of heating element for electric water heater: Such heating element (electrical coil heater) is widely used in electric water heater and water heating system. Material: Stainless steel Incoloy 800, Incoloy 840, SUS 304, Copper Pipe diameter: 6.0mm, 8.0mm, 10.0mm Voltage: 110V-240V Power: Up to 6Kw Design: Upon customer’s requirements.