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.
Still not sure? Call (818) 818-6559 and we'll find it for you.
Other parts on the same Pentair WhisperFlo Pump
The Swimables Diffuser with O-Ring SW-21-927 is a premium replacement component designed for compatibility with Pentair WhisperFlo® and IntelliFlo® pool pumps ranging from 0.5 HP to 2.5 HP. Serving as a direct replacement for Pentair part number 072927, this diffuser plays a crucial role in optimizing water flow within the pump, thereby enhancing overall filtration efficiency. Crafted from durable, high-quality materials, the SW-21-927 is engineered to withstand the rigors of regular pool operation, ensuring longevity and consistent performance.
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Direct Replacement: Replaces Pentair part number 072927, compatible with WhisperFlo® and IntelliFlo® pumps from 0.5 HP to 2.5 HP.
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Optimizes Water Flow: Enhances pump efficiency by directing water smoothly through the system.
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Includes O-Ring: Comes with a secure sealing O-ring to prevent leaks and ensure proper fit.
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Durable Construction: Made from high-quality materials built to endure frequent use and poolside conditions.
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Supports Filtration Performance: Maintains consistent pump operation for effective pool water circulation and cleanliness.
- (1) Diffuser
- (1) O-Ring
- Pentair 1/2 Horsepower to 2-1/2 Horsepower WhisperFlo Pump Models: WF-26, WFE-28
- Pentair IntelliFlo i2 Pumps (Manufactured After April 2016)
Note: This part may be compatible with your system, please refer to your owners manual to ensure compatibility.




