Hayward Filter Head with Vent Valve | CX120AA Bella Hydro gunite jet assembly

Hydro gunite jet assembly

This supports efficient field service and replacement

Their sealing components require proper maintenance during service

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

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

Hayward Filter Head with Vent Valve | CX120AA Bella Hydro gunite jet assemblyWhat 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