This product is specially designed for controlling the water level in water storage tanks such as water towers and swimming pools to prevent them from overflowing when tap water is supplied. It is a replacement for traditional float valves. Suitable for water towers, solar power systems, aquaculture, humidifiers, food processing equipment, water heaters, livestock water systems, and swimming pools, etc. Thread size: 1/2 inch. Made of high-quality nylon material, wear-resistant, corrosion-resistant, and smooth. Nice appearance, small size, convenient and simple installation. No electricity required, environmentally friendly and water-saving: this product is used for automatic water level control in water tanks, water towers, etc. swimming pools, water storage tanks, solar water tanks, livestock drinking water, etc. No electricity required; the contact pressure is greater than 0.2 kg of clean water and 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 power, livestock drinking water, aquaculture, etc. Color white Size: as shown Package list: 1 piece, with elbow, raw material belt, filter becomeveryrich