Pentair/PacFab Challenger 1.0HP Diffuser (355077) gptools Matching the right control pack

Matching the right control pack helps preserve the intended feature set and keeps installation more accurate

The Hayward tube sheet gasket is designed for compatible Perflex EC50C filter applications where dependable sealing is needed around the tube sheet area

and PJ50-4

5 HP Hi-Flo side discharge wet end needs to be renewed with the correct 48-frame configuration

and control-side features align with the intended system

Pentair/PacFab Challenger 1.0HP Diffuser (355077) gptools Matching the right control packThe Pentair PacFab 355077 diffuser is designed for compatible Challenger 1. 0 HP pump applications where the diffuser needs replacement. A diffuser like this is useful because it helps control water flow through the wet end and supports the hydraulic relationship between the impeller and surrounding housing. Replacement is often helpful when the original diffuser is cracked, worn, or damaged during a rebuild. Installing the proper Pentair PacFab