Pentair Compool 12-Position Terminal Block (8023312) insparation and this Filbur FC-9420 grid

and this Filbur FC-9420 grid is designed for Pentair and Hayward applications in a 12 inch by 9-3/4 inch format for 24 square foot systems

Purpose-built design focused on field service dependability

Model-year-specific parts matter

The black finish is suited for Black Max style cleaner configurations or matching existing dark components

Pentair Compool 12-Position Terminal Block (8023312) insparation and this Filbur FC-9420 gridThis 3. 0 HP Challenger diffuser is designed to pair with compatible high output pump configurations. It helps organize water flow around the impeller and into the volute, supporting efficient movement through the pump assembly. Replacement is recommended when the diffuser is cracked, distorted, or no longer seating properly after pump service. Choose this replacement when you want a clean, part specific repair rather than forcing a workaround that