Water level control float valve for automatic refill management in animal drinking water systems, air cooling, water towers, water tanks, and more. Automatic operation: refill stops when full; automatic control reduces overfill and water waste. Reliability and safety: low failure rate; leakproof design; long service life; helps save water resources and lowers the risk of water pollution. Material and durability: PP material; safe, sturdy and strong; impact resistance; corrosion resistance. Compatibility and performance: suitable for various tanks and systems requiring precise water level control; dependable performance across applications. Use scenarios: Livestock farming: automatic filling control for animal drinking troughs and poultry water systems. Building and facility water tanks: automatic refill management for storage tanks and water towers. Industrial cooling: maintains appropriate water level in air cooling and chiller systems.