Pentair 355086Z high flow impeller for SuperFlo, SuperMax and Challenger pumpsPentair SuperFlo and SuperMax Impeller, 1.5 HP Full Rated / 2 HP Up Rated, High Flow, 355086Z In stock$5999
Pentair 355086Z high flow impeller for SuperFlo, SuperMax and Challenger pumps
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Pentair SuperFlo and SuperMax Impeller, 1.5 HP Full Rated / 2 HP Up Rated, High Flow, 355086Z

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$5999
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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.
Full description and specifications ↓

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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.

From Pool School

How to Prime a Pool PumpFrom the breaker to a full pot, each manufacturer's time limit, and what to check when it won't catch prime. Read Replace the Pool Pump Motor or the Whole Pump?The manufacturers' tests first, what each repair replaces, and the federal motor rule. Read

Where this part goes

20 Key 20 on the Pentair SuperFlo PumpFor the 2 HP (2 HP).See it on the diagramAll Pentair SuperFlo Pump Parts 38 parts and the drawing5 Key 5 on the Pentair Challenger PumpFor the High Flow 1-1/2F, 2A (High Flow 1-1/2F, 2A).See it on the diagramAll Pentair Challenger Pump Parts 48 parts and the drawing
Specifications
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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Questions and answers

What people ask about this product, answered by our pool techs.

Which pumps does this impeller fit?
Challenger and Pinnacle high flow pool and spa inground pumps, model CFII-NI-2A, plus SuperFlo and Sta-Rite SuperMax pool and spa pumps at the matching rating.
Is it the 1 hp or the 1.5 hp impeller?
The sources for this part are not consistent. The product name, the product detail and the fitment list all call it the 1-1/2 hp full rated, 2 hp up rated impeller, while older page copy calls it 1 hp full rated with the same 2 hp up rate. Read the horsepower and the full rate or up rate wording on your pump label before ordering.
What does up rated mean?
An up rated pump is labeled at a higher horsepower than a full rated pump of the same hydraulics. That is why one impeller carries two numbers, 1-1/2 hp full rated and 2 hp up rated.
What else should I replace while the pump is open?
The mechanical seal sits directly behind the impeller, and the diffuser and its o-ring are right there too. All of them are sold separately and are worth checking during the same teardown.
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