Float Valve Automatic Floating Ball Valve Water Level Control Valve Water Tank Level Automatic Control The product must be installed vertically on a horizontal plane, with the float valve positioned downward during installation. When in use, the shut-off valve of this valve must be fully opened. If two float valves are installed in one tank, they should be set at the same level. Clean any impurities from the pipe before installation to prevent blockage of the ball valve. When installed indoors, slight water dripping at the bottom of the ball valve may occur, which is a normal phenomenon. Size: 32mm Color: Silver Material: Stainless Steel Package Contents: 1 x Float Valve Note: Light reflection and different display settings may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3cm.