
Hayward
Hayward ST1052 A.O. Smith 1/2 H.P Pool Motor Round Flange 56J
OEM Part· In Stock· Fast Shipping· Verified to Fit
OEM Options
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Aftermarket Options
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Part Number
ST1052
Guaranteed to Fit These Models (1)
Details
The motor is the heart of your Hayward Super II pump, responsible for generating the power needed to circulate your pool water. Over time, components within the motor can wear out. Bearings can seize up, windings can overheat and burn out, and seals can degrade, allowing moisture to seep in and cause electrical damage. These failures are often accelerated by continuous operation, exposure to the elements, and insufficient ventilation.
When this motor fails, the most immediate consequence is a loss of water circulation. This means your pool's filtration and sanitation systems will cease to function, leading to cloudy water, algae growth, and an unhealthy swimming environment. If left unaddressed, a non-functioning pump can lead to significant water quality issues and potentially damage other components in your pool system that rely on water flow. Replacing the motor promptly ensures your pool remains clean, clear, and safe for swimming.
Specifications
- SKU / Part Number
- ST1052
- Brand
- Hayward
- Primary Model
- SP3000
- Diagram Position
- 15**
- Compatible Models
- 1
Parts Diagram
Exploded View · 100%Tap a number for details
Position #15** on the full SP3000 exploded diagram.
View Full Diagram →Common Signs You Need This Part
- Pump not running, Unusual motor noise (grinding, humming), Pump running slow, Motor overheating, Pump tripping breaker
Pro Tip
When replacing the motor, ensure the new motor's shaft and flange match the old one exactly. Always check and replace the shaft seal during motor replacement to prevent future water intrusion.



