This product is specially designed for controlling the water level of water storage tanks such as water towers and swimming pools to prevent the water towers from overflowing when tap water is supplied, and is a replacement for traditional float valves. Suitable for water tower pools, solar energy, aquaculture, humidifiers, food machinery, water heaters, livestock water and swimming pools, etc. Thread size: 1/2 inch. Made of high-quality nylon material, wear-resistant, anti-corrosion, and has a smooth 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, 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 nylon PA66 Pressure range 0.1-12 kg Water inlet method: top water inlet/side water inlet Specifications: clean water (if there are impurities, it should 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, livestock drinking water, aquaculture, etc. Color: White Size: As shown Package List: 1 piece, with elbow, raw material belt, filterbecomeveryrich