Find your parts diagram
Sticker on the pump body (the part with the basket), not on the motor. Motor labels from Century, A.O. Smith or Regal won't match parts.
Label on the side of the tank near the base. Size is in sq ft, e.g. 420 sq ft = C4030 or CCP420.
Rating plate inside the front access panel. Note the BTU and gas type (NG or LP).
Molded into the body or printed on top. Robotic cleaners: on the power supply.
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Hayward SPX3021B Diffuser | 2.5HP to 3HP | Super II Pump
Fits these models (2)
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CA P65 Warning: Cancer and reproductive harm. www.p65warnings.ca.gov
OEM Hayward SPX3021B Diffuser is a high-capacity replacement part built for Hayward Super II pool pumps rated at 2.5 or 3 horsepower. Compatible with both SP3000 and SP3000X series models, this diffuser helps manage water intake by channeling flow directly into the impeller chamber. This design improves circulation, enhances filtration performance, and ensures the pump runs efficiently under heavy load. Its rugged construction and precise engineering make it ideal for high-powered systems in residential or commercial pools.
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Guides Flow into Impeller: Shapes and directs incoming water to optimize pump operation and reduce internal resistance for better output.
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Supports High-Performance Systems: Intended for use with Super II pumps operating at 2.5 or 3 HP for robust residential and commercial use.
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OEM-Grade Reliability: Genuine Hayward replacement part engineered for durability, precision fit, and long service life in demanding environments.
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Boosts Overall Pump Output: Enhances flow rate consistency and contributes to more effective filtration and water movement.
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Wide Pump Compatibility: Works with a range of SP3000 and SP3000X models, including SP3025(EEAZ), SP3030(EEAZ), SP3025X30(AZ), and others.
- (1) Hayward SPX3021B Diffuser
- Hayward Super II Pump SP3000 Series Models: SP3007(EEAZ), SP3010(EEAZ), SP3015(EEAZ), SP3020(EEAZ), SP3025(EEAZ), SP3030(EEAZ)
- Hayward Super II Pump SP3000X Series Models: SP3005X7(AZ), SP3007X10(AZ), SP3010X15(AZ), SP3015X20(AZ), SP3020X25(AZ), SP3025X30(AZ)