Hayward Star-Clear II Filter Head Dome Lid with Air Relief | CX800C Spa Air Controls 579 CPB0004A Generation II PPM4

579 CPB0004A Generation II PPM4 Up to 60

and maintenance tasks for equipment

and vent upgrades where rigid venting is not practical

enabling reliable flow between components

filtering out debris and impurities

Hayward Star-Clear II Filter Head Dome Lid with Air Relief | CX800C Spa Air Controls 579 CPB0004A Generation II PPM4What This Part Is Used For The Hayward CX800C Star Clear II Filter Head Dome Lid with Air Relief serves as the upper housing assembly for compatible Star Clear II filter systems. It includes an integrated air relief valve for controlled venting. Why This Part Matters A cracked lid or failed air relief can cause leaks or improper pressure release. Replacing it restores a secure seal and safe operation. This supports consistent filtration performance.