
Quick overview
- Genuine Hayward Factory weir assembly SPX1089K.
- For the SP1089 skimmer Matched to the SP1089 above ground skimmer.
- Sold as an assembly Comes as the complete weir rather than the door alone.
- Restores surface skimming The weir is what concentrates suction at the water line so leaves get pulled in.
- Stops debris blowback A missing weir lets collected debris drift back out of the throat when the pump stops.
- Plastic construction Molded plastic, as fitted originally.
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Product details
The Hayward SPX1089K is the weir assembly for the SP1089 skimmer. It is the hinged floating door that sits in the skimmer throat.
What the weir is for
The weir does two jobs. While the pump runs it narrows the opening so the water accelerates across it, which is what actually drags floating leaves and film into the basket rather than letting them slide past. When the pump stops, the weir swings closed and keeps everything already in the throat from floating back out into the pool.
When to replace it
Weirs crack at the hinge, warp in the sun, or go missing entirely. If the skimmer is running but leaves keep sitting on the surface, or the basket empties itself back into the pool every time the pump cycles off, the weir is the part to look at first.
| Brand | Hayward |
|---|---|
| Manufacturer part number | SPX1089K |
| UPC | 610377037358 |
| Type | Skimmer part |
| Component | Weir assembly |
| Fits | Hayward SP1089 skimmer |
| Material | Plastic |
| Shipping weight | 0.2 lb |
| Ships | Parcel |
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