Pentair 2" Top Mount Hybrid Valve Diffuser (274402Z) marquisspas and WB skimmer applications where

and WB skimmer applications where the original float has cracked

Skimmer-related replacement collar or fitting for compatible pool installations

Supports more targeted cleaning performance

Helps restore dependable debris capture ahead of deeper system flow

Useful when the original grid assembly is damaged or worn

Pentair 2" Top Mount Hybrid Valve Diffuser (274402Z) marquisspas and WB skimmer applications whereThe Pentair 274402Z top mount hybrid valve diffuser is designed for compatible 2 inch multiport valve applications where the diffuser component needs replacement. A diffuser like this is useful because it helps manage internal flow transition within the valve assembly and supports smoother water movement through the related plumbing path. Replacement is often needed when the original diffuser is cracked, worn, or damaged during service. Installing the