SuperPro O-47-9 cover O-Ring, 9/16 inch inside diameterSuperPro Cover O-Ring, O-47-9 In stock$399
SuperPro O-47-9 cover O-Ring, 9/16 inch inside diameter
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SuperPro Cover O-Ring, O-47-9

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$399
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Quick overview

  • Measured size 9/16 inch inside diameter with a 3/32 inch cross section, so you can check it against the ring coming out.
  • Two applications listed Shown in the 2 inch Pentair push-pull valve parts and in the Purex 4000 Series molded DE filter parts for SM/SMBW 4024, 4036 and 4048.
  • Cross referenced numbers Also listed as 272406, O-47 and 90-423-5113, which is useful when a diagram uses a different number.
  • Small ring, real job Cover seals like this one hold the pressure side of a valve or filter closed, and a hardened ring weeps under load.
  • SuperPro O-47-9 The part number to order by.
  • Lubricate on assembly A silicone based O-Ring lubricant helps it seat without rolling and keeps it from sticking at the next service.
Full description and specifications ↓

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Product details

SuperPro O-47-9 is a cover O-Ring measuring 9/16 inch inside diameter with a 3/32 inch cross section. It appears in two places worth knowing about: the 2 inch Pentair push-pull valve parts, and the Purex 4000 Series molded DE filter parts covering SM and SMBW models 4024, 4036 and 4048.

Know the other numbers

The same ring is cross referenced as 272406, as O-47, and as 90-423-5113. That matters when you are working from an old diagram or a distributor list, because the number printed there may not be the one on the box. All of them point at this seal.

When to change it

Cover seals fail quietly. They do not blow out, they harden, take a permanent set where the cover has been clamped on them, and start letting water past under pressure. The test is simple: flex the old ring between your fingers. If it is stiff, cracked or has a flat pressed into one side, it is finished. Clean the groove, fit the new one with a light film of silicone based O-Ring lubricant, and it will seat evenly and come apart cleanly next time.

Specifications
Brand SuperPro
Manufacturer part number O-47-9
UPC 601402171765
Type Cover O-Ring
Inside diameter 9/16"
Cross section 3/32"
Also listed as 272406, O-47, 90-423-5113
Fits 2" Pentair push-pull valves; Purex 4000 Series molded DE filters, SM/SMBW models 4024, 4036, 4048
Shipping weight 0.02 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?
9/16 inch inside diameter with a 3/32 inch cross section.
What else is this part called?
It is cross referenced as 272406, O-47 and 90-423-5113, so a parts diagram may show any of those numbers.
Where does it go?
It is listed as a cover O-Ring in the 2 inch Pentair push-pull valve parts and in the Purex 4000 Series molded DE filter parts for SM/SMBW models 4024, 4036 and 4048.
How do I know it needs replacing?
Take it out and flex it. A seal that has gone hard, that has a flat permanently pressed into it, or that shows cracks when bent will not seal again no matter how tight the cover is done up.
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