Hayward Filter Head with Vent Valve | CX120AA Bella Their sealing components require proper

Their sealing components require proper maintenance during service

and minimalist fireplace installations

and wipe down the interior to prevent mold or mildew

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Hayward Filter Head with Vent Valve | CX120AA Bella Their sealing components require properWhat 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