Efficient water management Automatically maintains tank water level by halting supply at the set level and resuming when needed, ensuring operation and reducing overflow or underfill. Materials Brass body with a strong plastic floating ball for durable performance in a variety of environments. Userfriendly installation Available in 1/2 inch DN15 and 3/4 inch DN20 sizes with adjustable parts for easy integration into existing water systems. Reliable leak protection Equipped with a rubber seal to enhance leak prevention while maintaining flexibility and resistance to temperatures. Applications and use scenarios Home water storage tanks: automatically refill to the desired level, preventing overflow and ensuring reliable supply. Garden irrigation and drip systems: maintains a steady reservoir level to support consistent irrigation cycles. Livestock or poultry watering troughs: keeps the water level within range without manual topping up, reducing maintenance. Key attributes Function: automatic shutoff and resume to regulate tank level. Compatibility: available in 1/2' DN15 and 3/4' DN20 connections with adjustable components. Size: 1/2 inch DN15 and 3/4 inch DN20 variants. Material: brass body, plastic floating ball. Performance: rubber seal provides leak protection with flexibility and temperature resistance.