
Pentair SuperFlo and SuperMax Impeller, 1.5 HP Full Rated / 2 HP Up Rated, High Flow
Quick overview
- High flow models The impeller Pentair specifies for the high flow versions of these pumps, not the standard hydraulics.
- Covers several families Challenger and Pinnacle high flow inground pumps, SuperFlo, and Sta-Rite SuperMax.
- Match the rating Listed for 1-1/2 hp full rated and 2 hp up rated pumps, so read the pump label first.
- Genuine Pentair Factory part 355086Z, cut to the original profile.
- Restores flow A worn or blocked impeller shows up as weak returns and a filter gauge reading low.
- Change the seal at the same time The mechanical seal sits behind the impeller and the same teardown reaches it.
Frequently bought together

SuperFlo and SuperMax Impeller, 1.5 HP Full Rated / 2 HP Up Rated, High Flow
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Product details
The Pentair 355086Z is the high flow impeller used across several Pentair and Sta-Rite pump families. It is the genuine factory part.
Fitment
Pentair lists it for Challenger and Pinnacle High Flow pool and spa inground pumps, model CFII-NI-2A, and for SuperFlo and Sta-Rite SuperMax pool and spa pumps at 1-1/2 hp full rated or 2 hp up rated. One impeller carries two horsepower numbers because full rated and up rated pumps share hydraulics and differ in how they are labeled.
Check the label
The source data for this part is not consistent on the full rate figure: the product name and the fitment list say 1-1/2 hp full rated, while older page copy says 1 hp full rated. Both agree on 2 hp up rated. Read the horsepower and the rating wording printed on your pump before you order.
What a worn impeller looks like
Weak returns, a filter pressure gauge sitting lower than it used to, and a pump that primes but never quite makes flow. Vanes wear thin or break, and debris packs the passages. While the pump is open, the mechanical seal behind the impeller and the diffuser o-ring are the parts worth replacing at the same time.
| Brand | Pentair |
|---|---|
| Manufacturer part number | 355086Z |
| UPC | 788379658519 |
| Part type | Pool Pump Part |
| Type | High flow impeller |
| Rating | 1-1/2 hp full rated, 2 hp up rated |
| For use with | Challenger and Pinnacle High Flow Pool and Spa Inground Pumps Model CFII-NI-2A, SuperFlo and Sta-Rite SuperMax Pool and Spa 1-1/2 hp Full Rated, 2 hp Up-Rated Pumps |
| Shipping weight | 0.35 lb |
| Ships | Parcel |
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