1. Automatic water level control valveThis fully automatic builtin float valve is designed for easy installation. Its compact size allows for convenient placement and works efficiently with a flow rate of up to 40 psi and 3 gallons per minute. 2. No electricity requiredUnlike conventional float valves, this valve does not require electricity to function. This not only makes it easy to operate but also ensures a long life, low failure rate, and resourcesaving operation. 3. Environmentally friendlyWith its and nonemitting design, this water level control valve is environmentally friendly. It ensures that no harmful substances are released during operation, promoting a ier and r environment. 4. Wide applicationsThis float valve is suitable for various applications, including tanks, towers, swimming pools, solar energy systems, animal drinking water, air cooling, humidifiers, civil buildings, cooling towers, steam generators, as well as tanks and towers in general.