Product Name: Automatic water level float ball valveTechnical parameters:1. Applicable medium: clean water2. Working pressure range: 0.02 ~ 1.0mpa3. Applicable medium temperature: less than or equal to 70 CelsiusThe control valve is only applicable to tap water or domestic water pump with pressure switch (if not sure, customer service). If it is siphon water supply, artesian water, the water drop should be more than 1.5 meters before water is discharged.Colour: whiteMaterial: nylonSize: 3/4 inchPackage Contents:1 * Water Level Control ValvePrecautions and maintenance:1. This product belongs to the level control valve. During installation, the float must be vertically downward. First fix the inlet pipe on the horizontal surface, then connect the valve to the inlet pipe according to its specifications. The main inlet pipe shall be compatible with the nominal size of the valve. When in use, the globe valve in front of the valve shall be fully open. If two valves are installed in the same pool, they shall be kept at the same level. Before installing and using this valve, the impurities in the pipeline must be washed clean.2. The valve in the water quality cleanliness is poor when the impurities, the need for proper maintenance. When the user finds that the time for adding water is prolonged, remove the control valve from the inlet pipe and remove and wash it.Only the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.