Features: VoltageDC3V Eraser, Head Diameter14mm, Connection formThread. Safety water heater solenoid Valves bring accurate control, to ensure the safety of you and your family. Electromagnetic Valves is suitable for wide range of LPG and gas water heaters to meet the needs of different. The solenoid Valves design is accurate and has a stable supply to ensure use of the water heater. The water heater inlet Valves is professionally designed to simplify installation steps, even for novices. Specifications: Materials: Metal Styles: Universals 3V/water heater ZD131 Bottom Plate Size: about 43x46mm/1.69x1.81inch Eraser Head Diameter14mm/0.55inch Package Includes: 1pc Gas Water Heating Valves note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.