
Hayward
Hayward UST1152 Century (A.O. Smith) 1.5 HP Up Rate Motor, Round Flange 56J Frame, Single Speed - Model UST1152
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Part Number
UST1152
Guaranteed to Fit These Models (1)
Details
The motor is the heart of your Hayward Super II pump, responsible for spinning the impeller that creates water flow. Over time, components like the bearings can wear out, leading to increased friction, noise, and eventually seizure. Electrical windings can also degrade due to heat and moisture, causing the motor to overheat, trip breakers, or stop running altogether. This wear and tear is a natural part of the motor's lifespan, especially with constant operation during pool season.
If this motor fails, your pool pump will stop working, leading to a lack of water circulation. This means your pool will quickly become cloudy, dirty, and a breeding ground for algae and bacteria, making it unsafe for swimming. Without proper filtration, the water chemistry can become imbalanced, potentially damaging other pool equipment. Replacing the motor promptly is crucial to maintaining water quality and preventing further, more costly repairs to your pool system.
Specifications
- SKU / Part Number
- UST1152
- Brand
- Hayward
- Primary Model
- SP3000
- Compatible Models
- 1
Parts Diagram
Exploded View · 100%Tap a number for details
Position #? on the full SP3000 exploded diagram.
View Full Diagram →Common Signs You Need This Part
- Pump not running, Loud grinding or whining noise from pump, Pump trips circuit breaker, Reduced water flow or pressure, Motor feels excessively hot to the touch
Pro Tip
When replacing the motor, ensure you match the horsepower, frame size (56J in this case), and voltage precisely. Double-check the wiring diagram for correct connections to avoid damaging the new motor.



