Pentair 192173 manifold grid with air relief extension for FNS DE filtersPentair Genuine OEM Manifold Grid with Extension for FNS DE Pool Filters, 192173$12499
Pentair 192173 manifold grid with air relief extension for FNS DE filters
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Pentair Genuine OEM Manifold Grid with Extension for FNS DE Pool Filters, 192173

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$12499
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Quick overview

  • Genuine Pentair OEM part 192173, the manifold grid Pentair supplies for the FNS.
  • Air relief extension included The extension is part of this grid, not a separate piece to source.
  • FNS 24 through 60 Listed for the PacFab FNS fiberglass DE filters, models FNS24, FNS36, FNS48 and FNS60.
  • The center grid The manifold grid sits in the middle of the set and ties the other grids together.
  • Sold on its own Useful when one grid has torn and the rest of the set is still sound.
  • Full grid sets are separate If several grids are past their life, complete grid sets are offered as their own parts.
Full description and specifications ↓

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Product details

The Pentair 192173 is the manifold grid with air relief extension for FNS DE pool filters. It is the genuine Pentair part and covers the FNS24, FNS36, FNS48 and FNS60.

What the manifold grid does

A DE filter holds a set of fabric covered grids standing in the tank. The manifold grid is the one in the middle that the others index against, and it carries the air relief extension that lets trapped air out of the top of the assembly. Because it is the center of the set, damage to it usually means DE bypasses the whole assembly, not just one panel.

Repair one, or replace the set

If the rest of your grids are in good order, replacing the manifold grid on its own is the sensible fix. If the fabric across the set is thin, torn in more than one place, or the grids have been in service for many seasons, a complete grid set is the better value and is available as a separate part.

The usual symptom is DE returning to the pool after a fresh charge. Pull the set, rinse it, and inspect the fabric and the manifold seam before ordering.

Specifications
Brand Pentair
Manufacturer part number 192173
UPC 788379673369
Type Manifold grid with air relief extension
Part type Pool filter part
Fits Pentair PacFab FNS fiberglass DE filters, models FNS24, FNS36, FNS48, FNS60
Shipping weight 1.95 lb
Ships Parcel

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Questions and answers

What people ask about this product, answered by our pool techs.

Which filters does this grid fit?
The Pentair PacFab FNS fiberglass DE filters, models FNS24, FNS36, FNS48 and FNS60.
Does the extension come with it?
Yes. The air relief extension is part of this grid.
Is this one grid or the whole set?
One grid, the manifold grid. Complete grid sets are sold separately if more than one grid in your filter has failed.
How do I know a grid has failed?
DE coming back into the pool through the returns after a clean is the usual sign. Pull the set and look for tears in the fabric or a split at the manifold.
Ask your own question