Anti-Vacuum Valves & Air Vents

Reliance Valves Anti-Vacuum Valves and Air Vents protect hot water applications and sealed heating systems by preventing vacuums and air locks from forming. Our valves are designed to eliminate a wide range of problems from water hammer to corrosion and increased maintenance cost, while ensuring system performance and efficiency.  

Made from high quality materials, our range of products offer long life and durability and are available in a range of sizes. Our Valves are available with compression and BSP unions, whereas our Automatic Air Vent come with the same options as well as simple push-fit connection ends.