Pentair 178546Z Replacement Filter Lid
The Pentair 178546Z is a direct-replacement lid designed for Pentair “Clean & Clear RP” cartridge filters with 150-sq-ft and 200-sq-ft media ratings.
Key Features
- Fits compatible cartridge filter tanks (150 sq ft & 200 sq ft) in the Clean & Clear RP series.
- Durable construction suitable for typical pool filtration operating conditions.
- Provides secure seal and proper alignment on the filter body to maintain performance and reduce leaks.
Technical Specifications
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Part Number: 178546Z
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Compatible Tank Media Sizes: 150 sq ft and 200 sq ft cartridge filter tanks
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Application: Filter lid replacement for the matching filter body
Installation & Fit Notes
Before installing the new lid, shut off the pump and release pressure from the filter tank. Remove the existing lid, inspect the tank rim and O-ring for wear or residue, clean the surfaces, install the new lid, ensure O-ring is properly seated, and restore circulation. After startup, verify that there are no leaks around the lid and that the filter functions normally.
Maintenance Tips
- Check the condition of the lid and O-ring yearly — if you notice cracking, warping or seepage it’s a good time to replace the lid or the O-ring.
- Keeping the filter lid in good condition helps maintain proper pressure and filter efficiency.
- For service inventory, stocking this lid ensures you’re ready for lid failures or brand-model tank replacements.
Why Choose This Lid?
For pool service professionals, equipment retailers or proactive homeowners, the Pentair 178546Z replacement lid offers a reliable, direct-fit solution to restore or maintain your cartridge filter system. It helps ensure the filter tank remains properly sealed, operating safely and delivering optimal flow and filtration.
