Hayward Filter Head with Vent Valve | CX120AA Bella Material & Construction: Engineered elastomer

Material & Construction: Engineered elastomer diaphragm crafted for durability and long-term performance in pool water and cleaning cycles

The SVLV8 serves as a key component that allows for proper water flow control during backwashing

It serves as a replacement cartridge to help remove debris from circulating water as part of regular filtration and water care routines

you'll find it supports routine upkeep in spa environments

making it a low-maintenance addition to your backyard

Hayward Filter Head with Vent Valve | CX120AA Bella Material & Construction: Engineered elastomerWhat This Part Is Used For The Hayward CX120AA Filter Head with Vent Valve is the top housing assembly for compatible Hayward cartridge filter systems. It includes a vent valve for releasing trapped air during startup. Why This Part Matters A cracked or warped filter head can cause leaks and unsafe pressure buildup. Replacing it restores a proper seal and allows controlled air release. This supports safe filter operation and accurate pressure