Pentair 357157 black volute replacement housing for WhisperFlo WFE pump and potPentair Black Volute Replacement Housing for WhisperFlo WFE Pump and Pot, 357157 In stock$23199
Pentair 357157 black volute replacement housing for WhisperFlo WFE pump and pot
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Pentair Black Volute Replacement Housing for WhisperFlo WFE Pump and Pot, 357157

Ask a questionMPN 357157
$23199
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Quick overview

  • Genuine Pentair part Factory part number 357157, not an aftermarket shell.
  • Built for WhisperFlo WFE Matches the WFE pump and pot, so the wet end goes back together the way it came apart.
  • Black finish This is the black version; the same volute is also offered in almond under a separate part number.
  • The core of the wet end The volute is the shaped body the impeller spins inside, and its passages set how the pump moves water.
  • A cracked volute is not repairable Epoxy and sealant on a split housing will leak again under pressure, so the housing gets replaced.
  • Housing only Supplied as the volute housing; impeller, seals and the pot itself are separate parts.
Full description and specifications ↓

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Product details

The Pentair 357157 is the black volute replacement housing for the WhisperFlo WFE pump and pot. It is the genuine Pentair part.

What the volute does

The volute is the molded body that surrounds the impeller. The impeller flings water outward, the volute catches it in a widening passage and turns that velocity into pressure, and the discharge port sends it on to the filter. Because every drop the pump moves passes through it, a damaged volute shows up immediately as lost flow, a leak at the split line, or a pump that will not prime.

When you need one

Volutes crack from freeze damage, from running dry, and from over tightened clamps. A split or warped housing cannot be sealed back up, so the fix is a new one. This is the housing by itself, so plan to reuse or separately order the impeller, the gaskets and the strainer pot.

Color

This is the black version. The same casing is offered in almond under a different part number if that is what your pump was built with.

Specifications
Brand Pentair
Manufacturer part number 357157
UPC 788379700966
Type Volute replacement housing
Color Black
Fits WhisperFlo WFE pump and pot
Sold as Housing only
Shipping weight 6.85 lb
Ships Parcel

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Questions and answers

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

What exactly is the volute?
It is the shaped housing the impeller turns inside. Water leaves the impeller into the volute passage, which converts that speed into the pressure the pump sends to the filter.
Does this include the impeller or the pot?
No. Pentair 357157 is the volute housing on its own. The impeller, the seals and the strainer pot are ordered separately.
Is there another color?
This listing is the black volute. The same casing is also sold in almond under its own part number, so order the one that matches the rest of your pump.
When does a volute need replacing?
When it is cracked, warped from running dry, or the sealing face is chewed up so the wet end will not seal. Those failures cannot be patched reliably.
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