Hayward SPX1600R Super Pump and Super II diffuser gasket o-ringHayward Super Pump/Super II Diffuser Gasket, SPX1600R In stock$1099
Hayward SPX1600R Super Pump and Super II diffuser gasket o-ring
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Hayward Super Pump/Super II Diffuser Gasket, SPX1600R

Ask a questionMPN SPX1600R
$1099
In stock
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Quick overview

  • Genuine Hayward Factory part SPX1600R, not a generic o-ring off a size chart.
  • Three pump families Hayward lists it for the Super Pump, Super II and Max-Flo series.
  • Rubber construction Molded rubber, listed by Hayward as a pool pump part.
  • Seals the diffuser Keeps water routed through the diffuser instead of slipping around it.
  • Also Hydramax II Leslie's Hydramax II pumps, models SP-LE40010 through SP-LE40019, share the part.
  • Cheap insurance on a rebuild Worth changing any time the pump is open for seal or impeller work.
Full description and specifications ↓

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Product details

The Hayward SPX1600R is the diffuser gasket for the Super Pump, Super II and Max-Flo pump series. It is a molded rubber o-ring, the genuine Hayward part.

What it seals

The diffuser sits over the impeller and shapes the flow leaving it. The gasket is what holds that joint tight. When it flattens or hardens, water takes the shortcut around the diffuser instead of through it, and the pump moves noticeably less water for the same amount of noise and current.

When to change it

The diffuser has to come out for almost any seal or impeller job, so this is the moment to fit a fresh gasket. A rebuilt pump that still underperforms is often a rebuild that reused a tired diffuser gasket.

From Pool School

How to Prime a Pool PumpFrom the breaker to a full pot, each manufacturer's time limit, and what to check when it won't catch prime. Read Replace the Pool Pump Motor or the Whole Pump?The manufacturers' tests first, what each repair replaces, and the federal motor rule. Read

Where this part goes

8 Key 8 on the Hayward Super PumpFits every model in the drawing.See it on the diagramAll Hayward Super Pump Parts 38 parts and the drawing6 Key 6 on the Hayward Super II PumpFits every model in the drawing.See it on the diagramAll Hayward Super II Pump Parts 44 parts and the drawing
Specifications
Brand Hayward
Manufacturer part number SPX1600R
UPC 610377040082
Part type Pool Pump Part
Material Rubber
Type Diffuser gasket o-ring
Fits Hayward Super II SP3000/SP3000X, Super Pump SP1600X/SP2600X, Max-Flo SP1800X/SP2800X
Also fits Leslie's Hydramax II pump models SP-LE40010 through SP-LE40019
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.

Which pumps use this gasket?
Hayward lists it for Super Pump SP1600X and SP2600X, Super II SP3000 and SP3000X, and Max-Flo SP1800X and SP2800X.
What does the diffuser gasket do?
It seals the diffuser against the housing so flow is directed through the impeller rather than leaking back around the diffuser.
Is this a genuine Hayward part?
Yes. It is Hayward SPX1600R.
Should I replace it during a seal change?
It is worth doing. The diffuser comes out for most seal and impeller work, and a hardened gasket is a common reason a pump moves less water after a rebuild.
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