Pentair Compool CVA-L24 Actuator Mount Screw (CVASCR) prostar This replacement diffuser is a

This replacement diffuser is a targeted repair part for restoring the pump’s internal water path

Helps maintain the intended power-supply connection point

Replacement swivel for Polaris 180–3900 and Quattro P40 applications

Useful when the original tray or burner is damaged

90 inch outside diameter rail configurations

Pentair Compool CVA-L24 Actuator Mount Screw (CVASCR) prostar This replacement diffuser is aThe volute forms the main water chamber of the pump wet end, making it a critical part for pressure, flow, and leak control. This black replacement volute supports compatible Challenger high pressure and high flow pump configurations. It is used when the existing volute is cracked, leaking, or too damaged to support a proper seal during rebuild. Choose this replacement when you want a clean, part specific repair rather than forcing a workaround that