Specification:Positive Pulse: Opening valveNegative Pulse: Closing ValveVoltage: DC4.5VThread Diameter: G1/2Wire Length: 150mm/5.9"Working Pressure: 0.02-1.0MPaTotal Size: 70mm x 64mm x 37mm (L*W*H)Flow Direction: Unidirectional (Follow the Arrow on Valve Body) Install and Use Attentions:1. The water solenoid valve selects the corresponding voltage and temperature according to the actual situation when selecting type.2. When install the solenoid valve, medium flow direction must be consistent with the direction arrow as shown in the valve body, the valve must be installed in horizontal pipe runs. Solenoid valve coil keep in a vertical position, the valve can not be put in places with splashing water or water leakage.3. Please install a filter screen at the inlet end to avoid inhalation of impurities so that the solenoid valve can not be reset, resulting in water closes or obstructed opening.4. If the solenoid valve is closed or blocked, please open the top four screws to clean the inner cavity impurities.5. During use solenoid valve should be regularly cleaning dirt on the surface of the movable iron core and the piston, sealing gasket should be checked at the same time in dismounting, damaged should be replaced timely when found.6. Before installing the solenoid valve, pipeline should be cleaned. Package Included:1 x Pulse Solenoid Valve