ITEM NAME:4x Floating Ball Valve Automatic Water Level Control Valve for Water Tank Pool .like-pro-float .like-pro-price-both{clear: both;.When installed, the float must be vertical. if you need to install from the top, a Elbow needed to connect the float valve and the inlet line. When using, the globe valve should be all open. Without electricity, easy to use, long life, low failure rate, saving water resources.
