Speck 2920141210 diffuser o-ring, 90mm by 5mm, for Speck pool pumpsSpeck O-Ring for Diffuser 90x5mm, 2920141210 In stock$1499
Speck 2920141210 diffuser o-ring, 90mm by 5mm, for Speck pool pumps

Speck O-Ring for Diffuser 90x5mm, 2920141210

Ask a questionMPN 2920141210
$1499
In stock

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Quick overview

  • Speck 2920141210 The factory diffuser o-ring, not a generic ring cut to fit.
  • 90x5mm 90mm across with a 5mm cross section, so it can be measured against the ring you removed.
  • Seals the diffuser Keeps suction on the impeller side instead of letting water short circuit around the diffuser.
  • Wide model coverage Listed for the Speck Model 90, E90, ES-90, S-90, the 433 and the HydroStar Model 98.
  • Replace it while you are in there Any time the pump is opened to the diffuser, this o-ring is the one to change.
  • Rubber wear part O-rings take a set, harden and crack with heat and age, and a flattened ring will not seal again.
Full description and specifications ↓

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Product details

The Speck 2920141210 is the diffuser o-ring for the Speck pump range, measuring 90mm across with a 5mm cross section.

What it seals

The diffuser sits over the impeller and turns the impeller output into pressure. This o-ring seals the diffuser against the housing. When it hardens or takes a set, water leaks back around the diffuser instead of going out the discharge, and the pump moves less water than it should for the power it is drawing.

Which pumps

It is carried for the Speck Model 90, E90, ES-90 and S-90, the Model 433 and the HydroStar Model 98. Measure the old ring if you are unsure which one came out of your pump.

Fitting

Seat the ring dry in its groove, then use a thin film of silicone lubricant made for pool o-rings. Do not use petroleum grease, which swells and degrades the rubber.

Specifications
Brand Speck
Manufacturer part number 2920141210
Type Diffuser o-ring
Size 90x5mm
Fits Speck Model 90, Model E90, Model ES-90, Model S-90, Model 433 and HydroStar Model 98 pumps
Part type Pool pump part
Shipping weight 1 lb
Ships Parcel

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Customer reviews

Questions and answers

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

What does 90x5mm mean?
The ring is 90mm in diameter with a 5mm cross section, which is the thickness of the rubber itself.
Which Speck pumps is it listed for?
The Model 90 family, meaning the 90, E90, ES-90 and S-90, plus the Model 433 and the HydroStar Model 98.
What does the diffuser o-ring do?
It seals the joint between the diffuser and the pump housing. Without it, water slips back around the diffuser instead of being driven forward, and the pump loses pressure.
Should I lubricate it?
Use a silicone based lubricant made for pool o-rings. Petroleum grease attacks the rubber and shortens its life.
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