Pentair 273502 black top spacer for Sea Horse cartridge filtersPentair Genuine OEM Top Spacer for Sea Horse Filter, 273502$3499
Pentair 273502 black top spacer for Sea Horse cartridge filters
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Pentair Genuine OEM Top Spacer for Sea Horse Filter, 273502

Ask a questionMPN 273502
$3499
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Quick overview

  • Genuine Pentair part The factory 273502 spacer, sized to the filter it sits in.
  • Top position This is the top spacer, so check which end of the filter internals you are replacing.
  • Sea Horse filters Listed with the parts for the Sea Horse stainless and Sea Horse FG cartridge filters.
  • Also appears on DE models It is carried as well in the Pentair PacFab FNS fiberglass DE and Nautilus DE filter parts listings.
  • Molded plastic Black plastic construction, the same as the original.
  • A small part that matters A spacer holds the internals in position, and a cracked or missing one lets the assembly move and leak media past.
Full description and specifications ↓

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Product details

The Pentair 273502 is the top spacer used inside the Sea Horse cartridge filters, supplied as the genuine Pentair part in black molded plastic.

What a spacer does

Filter internals are stacked and held under load. The spacers set the gap and keep that stack in position while the filter runs under pressure. When one cracks or goes missing, the assembly can shift, seat unevenly and let unfiltered water or media past, which usually shows up as dirt returning to the pool after a service.

Before you order

This is the top spacer, so identify which end of the internals you are replacing. The part is listed for the Sea Horse stainless and Sea Horse FG cartridge filters, and it is also carried in the PacFab FNS fiberglass DE and Nautilus DE parts listings, so check the part against your own filter rather than going by the model name alone.

Specifications
Brand Pentair
Manufacturer part number 273502
UPC 788379675110
Type Top spacer
Color Black
Material Plastic
Part type Pool filter part
Fits Pentair Sea Horse stainless and Sea Horse FG cartridge filters
Also listed for Pentair PacFab FNS fiberglass DE filters FNS24, FNS36, FNS48, FNS60 and PacFab Nautilus DE filters
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.

Which filters does this spacer fit?
Our data lists it with the Pentair Sea Horse stainless and Sea Horse FG cartridge filters, and it is also carried in the PacFab FNS fiberglass DE and Nautilus DE filter parts listings. Match the part to your filter before ordering.
Is this the top spacer or the bottom one?
Top. Confirm which end of the filter internals is damaged, since the position is what separates the two.
What is it made of?
Black molded plastic, the same material Pentair used originally.
Is it a genuine Pentair part?
Yes. Part number 273502 is the Pentair OEM spacer, not an aftermarket copy.
Ask your own question