Pentair FNS Plus Tank Bottom Assembly 48 SF | 170017
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- In stock, ready to ship
- Backordered: contact us for ETA
- SKU:
- 170017
-
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About This Item
The Pentair Tank Bottom Assembly (170017) is the OEM replacement tank bottom for the FNS Plus D.E. Filter, specifically the FNSP48 48 square foot model. The standpipe is included with this assembly.
The tank bottom assembly forms the structural base of the FNS Plus filter housing, seating the internal grid assembly and providing the standpipe connection that channels filtered water back to the return line. A cracked, warped, or leaking tank bottom compromises the filter's pressure integrity and can allow unfiltered water to bypass the D.E. media. Replacing with this OEM assembly restores the correct fit and seal geometry specific to the FNSP48 housing.
Specifications
| Pentair Part Number | 170017 |
Pro Tip
Before ordering, confirm your filter model number on the label affixed to the filter tank body — the FNS Plus is available in multiple square footage configurations (36, 48, 60, and 72 sq ft), and the tank bottom assemblies are model-specific. The 170017 is correct for the FNSP48 only. While the tank is disassembled, inspect the manifold O-ring and grid assembly for wear and replace them as needed to avoid a return service.
Compatibility is based on Pentair parts documentation and available OEM records. This is not an exhaustive list. For certainty, verify the part number in your equipment's manual or on the original part itself before ordering.
