6 x 63mm Non-Return Valve With Union

Keep water flowing the right way with this 6-pack of 63mm non-return valves with unions, ideal for pools, irrigation setups, and general water systems. Designed to help prevent backflow, each valve makes it easier to protect your system while supporting cleaner, more controlled operation. The union design also adds convenience when fitting or removing sections for maintenance. With six valves in one pack, it’s a practical choice for larger installations, replacements, or keeping spares on hand, and the sale price offers strong value for high-use water applications.