Easy to install: small size, estimated flow rate up to 40 psi 3 gallons per minute, 60 psi 5 gallons per minute.Perfect replacement: the valve replaces the traditional float valve, without electricity, easy to install use, long life, low failure rate and save water resources. Automatic control: The water level control valve has a patented design, fully automatic control, and the valve has no No need to be powered by electricity. Wide applications: can be used for water tanks, water towers, swimming pools, solar power, toilets, water boilers hot water, drinking water for animals, air cooling, humidifiers, civil buildings, cooling towers, hot water boilers, steam cookers.Environmentally friendly and durable: made in food grade plastic for drinking water pipes and 304 stainless steel Features: Automatic water level control valve.Operating pressure range: 1-12 kgUse: clean water.Applicable average temperature: 0-100C.High average temperature: 10 ~ 70Type: vertical internal installation.Materials: nylon and rubber.Inlet/outlet diameter: BSP 1/2 external thread.Installation tip: This product is a liquid level control valve. After installation, the float must be vertical. If you need to install it from the top, you need an elbow to connect the float valve and the inlet line. Firstly, fix the water inlet pipe on a horizontal surface, then connect the automatic water level control valve to the water inlet according to the standard. The main water inlet should be aligned with the normal diameter of the control valve. When using, the shut-off valve must be fully open. If two valves are installed in the same tank, they must be kept at the same level. Before installation, please clean the impurities in the pipe to avoid blockages. If the water quality is not good, the valve must be properly maintained. If the user finds that the time to add water becomes longer, he can charge the water inlet and rinse.Notes: 1. The color of the item may vary from the photo depending on your computer's display and brightness settings.2. Due to manual measurement, there may be a difference of 0.1-2cm. Note: Due to manual measurement, the size may have an error of 2 cm/1 inch; Due to different displays and angles, the color and size may be slightly different, thank you for your understanding!