Pentair/PacFab 1.5-2.0HP Diffuser (355618) gptools Weirs are useful because they

Weirs are useful because they help improve the skimming action that draws floating debris toward the skimmer opening

The CMP generic backwash valve piston assembly is designed for compatible slide-valve applications where the internal piston section needs replacement

A properly selected Paramount replacement supports correct fit and contributes to more dependable cleaning-head performance

Useful when the original switch no longer latches reliably

Pentair/PacFab 1.5-2.0HP Diffuser (355618) gptools Weirs are useful because theyThe Pentair PacFab 355618 diffuser is designed for compatible 1. 5 HP to 2. 0 HP pump applications where the diffuser needs replacement. A diffuser like this is useful because it helps shape water flow around the impeller and supports the internal hydraulic performance of the wet end. Replacement is often appropriate when the original diffuser is cracked, worn, or damaged enough to affect fit or flow. Installing the correct Pentair PacFab diffuser can