Pentair 355604Z Pump Impeller
The Pentair 355604Z is a replacement pump impeller designed for use in compatible Pentair Challenger high-pressure pool pumps. This impeller plays a critical role in moving water through the pump and maintaining proper circulation, pressure, and overall system efficiency.
Key Benefits
- Restores proper water flow and hydraulic performance
- Helps reduce motor strain caused by worn or damaged impeller vanes
- Precision-molded for balanced rotation and smooth operation
- Durable construction for long service life in demanding pool environments
Compatibility
- Designed for Pentair Challenger high-pressure pool pumps
- Commonly used on pumps with 2.0 HP full-rated motors
- Also compatible with select 2.5 HP uprated configurations
Fitment Tip: Always confirm pump model, horsepower rating, and impeller specifications before ordering. Using the correct impeller is essential for proper performance and motor longevity.
What’s Included
- 1 × Pump impeller (Pentair 355604Z)
Installation Notes
- Turn off power to the pump at the breaker.
- Relieve system pressure and drain the pump housing.
- Remove the diffuser and unthread the existing impeller from the motor shaft.
- Inspect the shaft seal and diffuser and replace if worn.
- Thread the new impeller onto the shaft and reassemble the pump.
- Prime the pump and restore power, then verify proper operation.
When to Replace
- Reduced water flow or pressure
- Visible wear, cracking, or erosion on the impeller blades
- Unusual noise, vibration, or overheating during pump operation
Maintenance Tips
- Clean pump and skimmer baskets regularly to prevent debris from reaching the impeller.
- Inspect the impeller whenever the pump is opened for seal or gasket service.
- Replacing the shaft seal at the same time helps prevent leaks and extend motor life.
