Pentair 59000600 FNS Plus stand pipe o-ring, size 2-137Pentair FNS Plus Stand Pipe O-Ring, 59000600 In stock$1899
Pentair 59000600 FNS Plus stand pipe o-ring, size 2-137
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Pentair FNS Plus Stand Pipe O-Ring, 59000600

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$1899
In stock
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Quick overview

  • Genuine Pentair Factory o-ring 59000600 rather than a hardware store ring of roughly the right size.
  • Size 2-137 A standard 2-137 o-ring, the size Pentair specifies for this stand pipe.
  • Stand pipe seal Seals the stand pipe inside the DE filter, which is where unfiltered water sneaks past.
  • Multiple filters Listed for the FNS Plus DE filter and the American Products Titan stainless steel and Titan CM DE filters.
  • Cheap insurance Worth replacing any time the filter is opened for a grid cleaning or a tear down.
  • DE in the pool A failed stand pipe o-ring is one of the reasons DE powder shows up back in the pool.
Full description and specifications ↓

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Product details

The Pentair 59000600 is the stand pipe o-ring for the FNS Plus DE filter, a standard 2-137 size ring. It is also listed for the American Products Titan stainless steel and Titan CM DE filters.

What it seals

The stand pipe runs up the center of a DE filter and carries filtered water out. The o-ring at that joint is the only thing keeping unfiltered water from taking a shortcut past the grids. When it hardens, flattens or tears, water bypasses the element and DE powder comes back to the pool through the returns.

Fitting it

Replace it any time the filter is opened for grid cleaning or a tear down. Use a silicone lubricant intended for pool o-rings, never a petroleum grease, which swells and destroys the rubber. It is a small part against a filter that is not doing its job.

Specifications
Brand Pentair
Manufacturer part number 59000600
UPC 788379693879
Type Stand pipe o-ring
O-ring size 2-137
Part type Pool filter part
Fits Pentair FNS Plus DE filter, American Products Titan stainless steel DE filter, Titan CM DE filter
Shipping weight 0.05 lb
Ships Parcel

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Questions and answers

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

What size o-ring is it?
2-137. That is the standard o-ring size Pentair uses for this stand pipe.
Which filters is it for?
It is listed for the Pentair FNS Plus DE filter and the American Products Titan stainless steel and Titan CM DE filters.
Would a failed one put DE in the pool?
It can. If the stand pipe seal leaks, water bypasses the grids and carries DE straight back to the returns.
Should I lubricate it?
Use a silicone based lubricant made for pool o-rings. Petroleum grease attacks the rubber and shortens its life.
Ask your own question