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Designed for outdoor pool installations
The low-profile “C” housing and inset mounting brackets create a refined
It is replaced during major pump service or rebuilds
000 gallon range
Feherguard provides practical
Hayward Filter Head with Vent Valve | CX120AA Gallaway Designed for outdoor pool installationsWhat 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
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