304 Stainless Steel Fully Automatic Water Level Control Float Valve 1/2“ 3/4” Automatic Shut-Off Mini Float Valve No Electricity Required Water Tank Water Tower Automatic Water Level Controller 【easy to install water float valve】this is a mini small float valve, the ball valve is small in size, so it is easy to install, the male thread is 1/ 2inch , also comes with 1/ 2inch to 3/ 4inch adapter and 1/ 2inch elbow, we use bsp pipe threads, the male thread is longer, perfect for most bsp threaded connectionsIf your pipe thread is npt, you only need to add some ptfe tape on the external thread, and it will work perfectly. 【working water pressure】the float valve works under 10psi to 150psi water pressure, if the water pressure is too low or too large, the float valve will not suitable to use and will not work or damage.Working temperature: 0°C–100°C. 【widely used】ideal for maintaining water levels in garden waterfalls, yard fountains, rain barrel gardens, and for automatic shut-off in swimming pools, chicken coops, automatic chicken waterers, livestock watering during droughts, outdoor rainwater harvesting barrels, and more. 【easy maintenance】the float valve comes with a built-in filter. this filter must be used at the water inlet to prevent sand and gravel from clogging the float. 【please note】if you are using any type of automatic fill float valve indoors, please ensure that you have an emergency overflow system. Any type of automatic fill float can eventually fail and cause a flood. Ideally, set the minimum water flow rate required to maintain a full water level. _x000D_ _x000D_