Pentair FNS Plus Tank Bottom Assembly
Best replacement base for pool owners repairing damaged filtration systems.
This essential component is the only way to restore a compromised filter tank to its original, watertight standard. While it requires a bit of hands-on installation, it eliminates the need for a full system replacement, keeping your filtration cycle efficient and your water crystal clear.
$379.95
at
Sunplay
Who it's for
- Pool owners seeking guaranteed compatibility and hassle-free installation
- Homeowners prioritizing maximum filtration efficiency and water clarity
- Budget-conscious buyers wanting long-term durability against harsh pool chemicals
Who should skip it
- Shoppers looking for budget-friendly aftermarket alternatives
- DIY beginners intimidated by complex filter grid maintenance
- Owners of different filter models or varying square footage sizes
Performance breakdown
Material Durability
High-grade thermoplastic construction withstands intense pressure and harsh pool chemicals.
Installation Simplicity
Direct-fit design makes swapping out worn components straightforward for DIYers.
Seal Integrity
Precision engineering ensures a leak-free connection for maximum filtration efficiency.
OEM Compatibility
Genuine Pentair manufacturing guarantees a perfect match for specified filter models.
Structural Stability
Reinforced base design prevents tank warping under heavy DE filter loads.
Maintenance Ease
Smooth surfaces allow for quick cleaning during routine filter maintenance cycles.
Key Specs
Part Number
178731Z
Compatible Brand
Pentair
Compatible Models
Clean and Clear RP Filters, Separation Tanks
Intended Use
Replacement part for pool filters
Filter Area
60.0 square feet
Filter Type
Diatomaceous Earth (DE)
Application Type
In Ground Pool
Replacement Element
Yes
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