Pentair 59023800 complete 24 sqft DE filter grid assemblyPentair 24 sqft Grid Assembly Complete, 59023800 In stock$41799
Pentair 59023800 complete 24 sqft DE filter grid assembly
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Pentair 24 sqft Grid Assembly Complete, 59023800

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$41799
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Quick overview

  • 24 square feet The filter area this grid assembly is rated at, the figure that has to match the filter it goes into.
  • Supplied complete Sold as the complete grid assembly rather than as loose individual grids.
  • FNS Plus Listed in the Pentair PacFab FNS Plus DE filter parts breakdown.
  • Also listed for RPM It also appears under the Titan RPM DE filter parts and as an RPM grid assembly.
  • Grids do the filtering DE clings to the grid fabric, and that coated fabric is what actually traps dirt.
  • Genuine Pentair Part number 59023800 from the factory.
Full description and specifications ↓

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Product details

Pentair 59023800 is the complete 24 square foot grid assembly for FNS Plus DE filters. It is also listed under the Titan RPM DE filter parts, and one Pentair listing describes it as the RPM and FNS Plus grid assembly.

What the grids do

A DE filter does not filter with its tank. Diatomaceous earth coats the fabric on the grids, and that coating is the filter medium. Once the fabric tears or the grid frame distorts, DE escapes into the pool and the filtration goes with it.

Matching the size

DE filters are sized by square footage and the grid assembly has to match. This one is the 24 sqft assembly. Check the rating on the filter label before ordering, since the same family is built in several sizes.

Specifications
Brand Pentair
Manufacturer part number 59023800
UPC 788379681753
Type DE filter grid assembly, complete
Filter area 24 sqft
Fits Pentair FNS Plus DE filters
Also listed for RPM DE filters
Shipping weight 16.55 lb
Ships Parcel

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Questions and answers

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

Is this the whole set of grids?
It is sold as the grid assembly complete, meaning the assembly rather than a single grid.
Which filters is it for?
It is listed for the Pentair FNS Plus DE filters and also appears under the Titan RPM DE filter parts, described in one listing as the RPM and FNS Plus grid assembly.
What does the 24 sqft refer to?
The filter area. Match it to the rating of your filter, because a DE filter is sized by square footage and a grid assembly from a different size will not fit or perform correctly.
How do I know the grids are done?
DE blowing back into the pool, pressure that climbs again soon after a backwash and cleaning, or visible tears and bare patches in the fabric all mean the grids are finished.
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