Pentair Sta-Rite CristalFlo II SD35 16" Standpipe Assembly (152229) valvekits A floor plate like this

A floor plate like this is useful because it helps complete the visible and functional portion of the inlet fitting while supporting proper fit in the surrounding installation

A properly selected overlay helps restore intended control clarity and contributes to a cleaner

The multi-model Harmsco fitment gives this gasket practical value because tank lid seals work best when the replacement matches the intended vessel family and lid profile

Santoprene duckbill design supports reliable injection check valve performance

75 HP impeller is intended to restore the pumping action in compatible Challenger assemblies

Pentair Sta-Rite CristalFlo II SD35 16" Standpipe Assembly (152229) valvekits A floor plate like thisRestore the internal water distribution path in a CristalFlo II SD35 sand filter with this 16" standpipe assembly. The standpipe connects the filters lateral system to the valve area, helping return filtered water properly after it passes through the sand bed. This part is commonly replaced when the original standpipe is cracked, broken, or damaged during sand changes. Correct standpipe length and fit are important for proper filtration, backwashing,