This product is specially designed for water level control of water storage tanks such as water towers and swimming pools to prevent water towers from overflowing when tap water is supplied, and Replacement products of the traditional float valve. Suitable for water tower pools, solar energy, aquaculture, food machinery humidifiers, water heaters, livestock water and swimming pools, etc. Thread size: 1/2 inch. Made of high quality nylon material, wear-resistant, anti-corrosion and smooth in appearance. Beautiful appearance, small size, convenient installation, simple. No need to use electricity, environmental protection and water saving: This product is used for automatic water level control in water tanks, water towers water, swimming pools, water storage tanks, solar water tanks, livestock drinking water, etc. No need to use electricity, the contact pressure is greater than 0.2 kg of clean water can automatically control the water level. Body material: food grade PA66 nylon Pressure range 0.1-12 kg Water inlet method: top water inlet/side water inlet Specifications: clean water (if there are impurities, it must be disassembled and washed regularly) Applicable temperature: 0-70 Screw Specification: 4 points Product features: small size, easy maintenance, etc. Product use: automatic water replenishment for water tanks, water towers, solar energy, breeding drinking water, aquaculture, etc. Color white Size: as shown Package list: 1 piece, with elbow, raw material belt, filter