
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.
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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.
| 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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