Item Type: Water Heater Heating Rod Material: Stainless Steel Working Voltage: 220V Main Purpose: Heating Power: 1500W Live Wire: Red Neutral Wire: Blue Earth Wire: Yellow Installation Method: Bottom Installation Lower Outer Hole Diameter: Approx. 55mm / 2.2in, select 47mm electric heating pipe to be placed at the bottom. Advantage: Intelligent technology, optical dual use, energy saving Package List 1 x Water Heater Heating Rod This product needs to be used together with the leakage protection device. Please cut off the power before using hot water. 1[SOLAR HEATING ROD] Solar water heater heating rod, adopts intelligent technology, optical dual use, which is efficient and energy saving. 2[STAINLESS STEEL] The heating rod is made of excellent stainless steel, which is rustproof and durable, and not easy to deform or corrode. 3[HIGH EFFICIENCY] The working voltage of the heating rod is 220V, the power is 1500W, has high working efficiency and fast heating speed. 4[BOTTOM MOUNTING] The heating rod has standard hole diameter, bottom mounting design, and suitable for 47mm electric heating pipe. 5[WIDE APPLICATION] Used for portable bathtub, swimming pool, sink heater, applicable to heating water in bucket, washbasin and bathtub.