Hayward Super II Pump Diffuser for 2–3 HP Models | Replacement Part | SPX3021B

Hayward Super II Pump Diffuser for 2–3 HP Models | Replacement Part | SPX3021B

SPX3021B diffuser fits Super II 2–3 HP pool pumps—restores smooth water flow and improves pump performance with durable, chemical‑resistant design.

• Designed for 2–3 HP Super II Pumps: Compatible with multiple Super II series pump models; check manual for fitment.

• Engineered for Efficient Flow: Directs water evenly to the impeller, reducing turbulence and enhancing performance.

• High‑Durability Construction: Made from corrosion‑resistant materials to withstand chemicals and high-pressure use.

• Restores Peak Operation: Replacing worn diffusers helps maintain optimal pressure, flow, and pump longevity.

• Simple Drop‑In Installation: Easily installs with standard tools—ideal for both pros and DIY maintenance.

The SPX3021B Diffuser is a precision-molded replacement component made specifically for 2–3 horsepower Super II pool and spa pumps. This critical internal part helps streamline water delivery to the impeller, ensuring optimal flow dynamics and reducing system strain. A damaged or degraded diffuser can lead to inefficiency, noise, and pressure loss—this part restores original pump performance.

Crafted from heavy-duty, chemical-resistant polymer, the diffuser stands up to harsh pool conditions including chlorinated and saltwater systems. It installs quickly as a direct-fit replacement with no modifications needed—just remove the pump housing, swap the diffuser, and reassemble.

Whether you’re servicing equipment or preventing costly downtime, this replacement diffuser offers a reliable solution to maintain smooth, consistent pump performance. Ideal for pool service technicians and homeowners alike looking to keep their filtration systems running at full power.

We want you to have quick and easy access to warranty information for all the brands we carry. Please click on the links below to view each manufacturer’s warranty page:

• Pentair Warranty
  
• A&A (Pentair In-Floor) Warranty
  
• Fluidra Warranty (Zodiac / Jandy / Polaris / Caretaker)
  
• Paramount Warranty
  
• BlueSquare Warranty
  
• Hayward Warranty
  
• All Other Manufacturer Warranties
  

Note: Warranty coverage, registration, and service terms are provided directly by the manufacturer. Please review the details carefully to ensure proper understanding of coverage and claim procedures.