Pentair Diffuser | Challenger High Pressure Pump | 355545Z C5315 Built with Pleatco Point Bonded

Built with Pleatco Point Bonded Pool Filtration Fabric

this is also the ideal opportunity to replace the tank O-ring and inspect the clamp band assembly for corrosion or stretch

yet lightweight aluminum frame with a no-mar finish to protect pool walls

Regular pool maintenance is easy with Natural Chemistry’s Pool Perfect + PHOSfree

Pentair Diffuser | Challenger High Pressure Pump | 355545Z C5315 Built with Pleatco Point BondedThe Pentair 355545Z is the OEM replacement diffuser for the Challenger High Pressure inground pump. What It Does The diffuser channels water exiting the impeller into a controlled, decelerating flow path, converting velocity into pressure before water exits the pump volute. A cracked, worn, or mismatched diffuser disrupts this conversion, reducing pump output pressure and flow efficiency. Replacing it with the correct OEM part restores designed