Pentair PacFab FNS Replacement Tank Body for FNSP60 – 60 sq ft OEM-fit lower housing, factory dimensions

Replacement tank bottom assembly for the Pentair PacFab FNS Plus D.E. filter model FNSP60, designed to restore structural integrity and proper filter operation.

This tank body is the factory-fit lower housing made specifically for the Pentair PacFab FNS series with 60 square feet of filtration area. Built to the original equipment dimensions—22" length x 45" height x 22.5" width—it replaces worn or damaged bottoms to keep your pool or spa filtration system stable and leak-free. The unit is intended for use on the FNSP60 filter model and aligns with the original inlet, outlet, and mounting features so installation is straightforward for technicians and experienced DIYers.

How does this tank body fit my existing FNSP60 filter?

The tank is manufactured to match the original Pentair PacFab dimensions and connection points so it mates directly with your FNSP60 filtration top assembly and internal components. No custom fabrication should be necessary when replacing the lower housing.

• Exact dimensions: 22" L x 45" H x 22.5" W for accurate fit.
• Designed to align with factory inlet/outlet and mounting pads.
• Compatible with FNSP60 internal grids and hardware.

What are the practical benefits of installing a new tank bottom assembly?

Replacing a cracked or corroded tank bottom restores the filter’s watertight seal and mechanical support for the internal grid assembly, improving safety and reliability. A proper tank body prevents leaks and helps maintain correct hydraulic performance of your D.E. filter system.

• Stops water leaks caused by structural damage or material fatigue.
• Reinstates correct internal spacing for optimal flow and filtration.
• Reduces risk of sudden failure by supporting grids and manifold reliably.

What should I prepare for installation and service life expectations?

Have basic tools, a safe lifting method, and any replacement gaskets or hardware handy before you begin. Because this is a structural component, inspect associated parts (clamps, gaskets, manifolds) and replace worn items during the job to ensure a long-lasting repair.

• Recommended: gasket kit, stainless clamps, and grid inspection beforehand.
• Use proper lifting equipment—tank is large and can be awkward to handle.
• Regular seasonal inspections will extend service life and catch issues early.

Will this tank body meet safety and operational standards for pools and spas?

As an OEM-style replacement for the Pentair PacFab FNSP60, this tank body restores the filter to its intended configuration and supports safe operation when installed correctly. Always follow local codes and Pentair installation instructions during repair or replacement.

• Factory-compatible design supports proper hydraulic performance.
• Installation should follow Pentair guidelines and local regulations.
• Professional installation recommended if you are unsure about procedures.

Who is this for: Pool service professionals, replacement-parts resellers, and experienced homeowners with Pentair PacFab FNSP60 systems who need an accurate, durable replacement lower tank housing. If your FNS Plus 60 filter shows cracking, leaking, or deformation at the bottom, this tank body replaces the original component to restore structural support and filtration performance.