4 x 63mm Non-Return Valve With Union For Pools, Irrigation, Water Systems

Keep water flowing the right way with this pack of 4 x 63mm non-return valves with union, designed for pools, irrigation, and general water systems. Built to help prevent backflow, each valve supports smoother system operation and added peace of mind where reliable one-way flow matters most. The union design makes handling and installation more convenient, while the four-pack offers practical value for larger setups, replacements, or keeping spares on hand. A smart, versatile choice for maintaining efficient water control across multiple applications.