SuperPro O-231-9 o-ring, 5-1/8 inch inside diameterSuperPro O-Ring O-231-9 In stock$399
SuperPro O-231-9 o-ring, 5-1/8 inch inside diameter
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SuperPro O-Ring O-231-9

Ask a questionMPN O-231-9
$399
In stock
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Quick overview

  • Measured, not guessed 5-1/8 inch inside diameter with a 3/16 inch cross section, so you can check it against the old ring.
  • Sta-Rite Dura-Jet Listed among the parts for the Dura-Jet DJ series.
  • Booster pump parts Also listed under current Pentair booster pump parts.
  • Hydramax above ground pumps The parts diagram it appears on also covers the Leslie's Hydramax above ground pool pump.
  • A cheap part that stops a leak Most weeping lids and covers come down to a flattened, hardened ring.
  • Lubricate on assembly A silicone o-ring lubricant helps it seat and makes the next removal easier.
Full description and specifications ↓

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Product details

The SuperPro O-231-9 is an o-ring measuring 5-1/8 inch inside diameter with a 3/16 inch cross section.

Check the size first

O-rings look alike and are not interchangeable. Take the old ring out, measure the inside diameter and the thickness, and compare those two numbers with the ones above. That comparison is more reliable than matching it by eye against a picture.

Where it is listed

The O-231-9 appears in the parts listings for the Sta-Rite Dura-Jet DJ series and for current booster pumps, and on the parts diagram for the Leslie's Hydramax above ground pool pump.

Fitting

Clean the groove out before the new ring goes in, because grit left behind will hold the ring off its seat. A silicone o-ring lubricant helps it seat evenly and makes the next service easier.

Specifications
Brand SuperPro
Manufacturer part number O-231-9
UPC 601402263484
Type O-ring
Inside diameter 5-1/8"
Cross section 3/16"
Listed for Sta-Rite Dura-Jet DJ series, Pentair booster pumps (current), Leslie's Hydramax above ground pool pumps
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 is this o-ring?
5-1/8 inch inside diameter with a 3/16 inch cross section. Measuring the old ring against those two figures is the surest way to confirm the match.
What is it listed for?
The Sta-Rite Dura-Jet DJ series and current booster pump parts, and it also appears on the parts diagram for the Leslie's Hydramax above ground pool pump.
Should I grease it?
Yes. A silicone based o-ring lubricant helps the ring seat evenly and stops it sticking or tearing the next time the cover comes off.
My lid is weeping. Is the o-ring the problem?
Usually. Rings take a permanent set after seasons of compression and heat, and once they harden they no longer fill the groove. Clean the groove out before fitting the new ring.
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