Pentair Diffuser O-Ring Pump Seal Replacement | 355331

Pentair Diffuser O-Ring Pump Seal Replacement 355331

Pentair diffuser O-ring replacement for pool pumps. Helps maintain a tight seal and prevent leaks for reliable performance. Durable seal.

Features

• Restores a secure diffuser seal to help prevent leaks
• Supports proper pump pressure and efficiency
• Durable rubber construction for pool and spa environments
• Helps extend pump service life and performance
• Designed for Pentair pump diffuser applications

Description

The Pentair Diffuser O-Ring is a replacement sealing component designed to maintain a tight connection between pump diffuser components. It helps prevent air and water leaks that can reduce pump efficiency and disrupt system performance.

Built for durability in pool and spa environments, this O-ring resists wear from chemicals and regular operation. It’s an essential maintenance part that supports proper sealing, consistent pressure, and dependable pump performance during routine service or repair.

Pro Tip

Apply a silicone-based pool lubricant during installation to improve sealing and reduce wear. Inspect the diffuser and housing surfaces for debris or damage before reassembly.

Installation Tips

Turn off pump power and relieve system pressure before installation. Clean sealing surfaces and ensure the O-ring is properly seated to prevent pinching or leaks.

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.