Description
OEM replacement diffuser o-ring engineered to provide a reliable watertight seal for Pentair pump diffusers. This genuine Pentair part number 355331Z delivers the correct fit and material compatibility needed for long lasting service in pool and spa environments.
- Compatible with
- Challenger high flow pump
- Challenger high pressure pump
- SuperFlo variable speed pumps manufactured before November 2020
- SuperFlo variable speed pumps manufactured after October 2020
- SuperMax variable speed pumps manufactured before November 2020
- SuperMax variable speed pumps manufactured after October 2020
- Waterfall specialty pump
Key features
- Genuine Pentair OEM replacement part for exact fit and performance
- Durable elastomer material selected for resistance to pool chemicals and heat
- Ensures proper diffuser sealing to maintain pump efficiency and prevent leaks
- Easy to install during routine pump maintenance
Installation tips
- Clean sealing surfaces before installing the new o-ring
- Use a silicone based lubricant that is safe for o-rings to ease installation and reduce pinching
- Inspect diffuser and housing for wear whenever replacing the o-ring
Notes
- Confirm compatibility by checking pump model and manufacturing date stamped on the pump housing
- Sold as a single replacement o-ring for diffuser sealing when performing pump service
If you are unsure about fitment contact our support team with your pump model and serial number and we will verify compatibility.
