Product Overview
The Pentair 356288S Motor & Drive Assembly is a complete OEM replacement unit designed for WhisperFlo, SuperFlo VS/VST, and SuperMax VS pumps manufactured after October 2020.
It combines both the variable speed motor and integrated drive (VFD) into one assembly, restoring full pump functionality, efficiency, and programmable speed control.
This all-in-one replacement is ideal when your existing motor or drive has failed, eliminating the need to purchase separate components.
Ideal For
- Pool owners replacing a failed VS/VST motor or drive
- Service professionals performing full motor/drive swaps
- Systems manufactured after October 2020
- WhisperFlo, SuperFlo VS/VST, and SuperMax VS pump models
- Customers needing OEM Pentair reliability
Key Features
- Complete Assembly – Includes both motor and variable speed drive (VFD)
- OEM Pentair Part (#356288S) – Direct factory replacement
- Post-2020 Compatibility – Designed specifically for newer generation pumps
- Variable Speed Technology – Adjustable speeds for energy savings and performance
- Plug-and-Play Replacement – Simplifies installation vs separate components
- Durable Construction – Built for long-term pool and spa operation
Benefits
- Restore full pump performance quickly
- Improve energy efficiency vs single-speed systems
- Reduce noise with variable speed operation
- Avoid compatibility issues with correct post-2020 design
- Save time with complete motor + drive combo
Compatibility
Fits the following Pentair pumps (manufactured AFTER Oct 2020):
- WhisperFlo VS / VST
- SuperFlo VS / VST
- SuperMax VS
Important:
This unit will NOT fit pre-October 2020 models. Always verify your pump’s manufacture date before ordering.
Technical Notes
- Integrated Variable Frequency Drive (VFD) controls motor speed
- Designed for energy-efficient pool circulation systems
- OEM replacement ensures proper communication with pump controls
Customer-Facing Q&A
Q: How do I know if my pump is post-October 2020?
A: Check the serial label on the pump housing. Units manufactured after Oct 2020 require newer drive assemblies like the 356288S.
Q: Can I replace just the drive instead of the full assembly?
A: Yes, but replacing the full motor + drive ensures better reliability and avoids mismatched components.
Q: Is this an OEM Pentair part?
A: Yes, the 356288S is a genuine Pentair replacement assembly.
Q: Does this improve energy efficiency?
A: Yes—variable speed motors allow lower RPM operation, reducing electricity usage significantly.
Why Choose This Over Separate Parts?
Buying the full 356288S assembly ensures:
- Perfect compatibility between motor & drive
- Easier installation
- Reduced troubleshooting
- Longer system lifespan