DN40 Float Valve for Water Trough with Automatic Level Control, Overflow Prevention, Easy Installation

Float valve (DN40) for automatic water filling of troughs, ponds and pools. Single replacement part designed for reliable water level control in agricultural and outdoor water systems. Key benefits Automatic water level control that reduces manual refilling and helps prevent overflow and dry troughs. Direct fit for DN40 piping and fittings, compatible with standard automatic fillers, water troughs, pond up systems and pool waterlines that use DN40 connections. Simple installation: connects inline to existing DN40 plumbing for fast replacement or upgrade. Designed for outdoor water use and routine livestock and garden applications. Supplied as one piece (quantity 1, size DN40) for straightforward parts replacement. What it does Detects water level and opens or closes the supply line to maintain a consistent fill level. Stops water flow when the desired level is reached to minimize wastage and reduce the need for manual checks. Practical attributes Function: floatoperated valve for automatic water refill. Compatibility: DN40 connection size; suitable for common automatic filler setups and trough plumbing using DN40 fittings. Quantity: 1 piece per listing. Performance: provides consistent refill control for livestock troughs, ponds and small pool systems. Use scenarios Farm water trough: installs on a livestock trough supply line to keep drinking water at a steady level throughout the day. Garden pond or water feature: maintains pond level during dry weather to protect pumps and aquatic plants. Small pool or reservoir up: used with an existing DN40 feed line to reduce manual topping up and maintain steady operating level. Notes Verify DN40 connection compatibility with your existing plumbing before . Intended as a replacement or retrofit component for automatic water filling systems.