Pentair Challenger High Pressure 3.0 HP Diffuser (355545Z) spafilters This lateral assembly with standpipe

This lateral assembly with standpipe restores the internal water collection structure inside compatible Hayward Pro Series S310S sand filters

and this Magic Plastics UniBody version features a 2 inch union by 2 inch slip configuration with a 100 psi rating using the 0516-20 reference

Adding the right union helps preserve flexibility in maintenance planning without complicating the main run

A fresh check valve can help restore more controlled system behavior without requiring a larger plumbing overhaul

Pentair Challenger High Pressure 3.0 HP Diffuser (355545Z) spafilters This lateral assembly with standpipeHigh pressure Challenger systems need a diffuser that supports the correct internal pressure and flow characteristics. This 3. 0 HP Pentair diffuser is intended for compatible high pressure Challenger configurations and helps maintain the wet end geometry needed for efficient operation. Choose it when servicing a pump that has lost performance due to internal part wear, breakage, or improper previous repair. Made for select 3. 0 HP high pressure