Pentair Compool 4-Position Terminal Block (8023304Z) ametek A volute like this is

A volute like this is useful because it restores the main pump housing section that directs water around the impeller and out through the discharge path

and Pentair part number match the existing equipment

and ED2 heater applications where the rear header section needs replacement

The CMP 25597-000-121 deck jet cover is designed for compatible J-style applications and features a square gray finish

This ring helps support proper basket positioning inside the skimmer so debris collection can remain more consistent during everyday pool use

Pentair Compool 4-Position Terminal Block (8023304Z) ametek A volute like this isThe band clamp assembly secures major sections of the Challenger pump housing so the wet end can seal properly. This replacement assembly is used when the original clamp is corroded, bent, stripped, or no longer tightening evenly. A sound clamp helps protect against leaks and makes pump maintenance more dependable after internal service. Choose this replacement when you want a clean, part specific repair rather than forcing a workaround that can