Sta-Rite L176-47P back half tank body for PLBC series booster pumpSta-Rite PLBC Tank Body, Back Half, L176-47P$11999
Sta-Rite L176-47P back half tank body for PLBC series booster pump
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Sta-Rite PLBC Tank Body, Back Half, L176-47P

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$11999
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Quick overview

  • Back half only This is the rear section of the tank body, not the complete housing.
  • PLBC series Made for the Sta-Rite PLBC booster pump, model PLBC-178L.
  • Genuine replacement Factory part L176-47P.
  • Sta-Rite and Pentair The same part number appears under both names in the manufacturer listings.
  • Cracks and leaks A cracked or eroded rear housing is the usual reason this part gets replaced.
  • Check the o-ring The tank body seals against a separate o-ring, so plan on renewing that seal at the same time.
Full description and specifications ↓

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Product details

The L176-47P is the back half of the tank body for the Sta-Rite PLBC series booster pump. It is the rear housing section that bolts to the front half and forms the pressure chamber the impeller runs in.

When it needs replacing

Booster pump housings fail from cracks, from erosion where flow is concentrated, and from mounting bosses that have pulled or split. Once the shell is compromised the pump loses pressure or weeps water, and no amount of resealing will hold it.

Fitment and naming

This is the back half for the PLBC series pump, model PLBC-178L. The part appears in manufacturer listings under both the Sta-Rite and the Pentair name using the same number, L176-47P, so either reference is the correct housing.

While it is apart

The two halves of the tank body seal against an o-ring. That seal takes a set once it has been compressed, so it should be renewed whenever the pump is opened rather than reused.

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
Specifications
Brand Sta-Rite
Manufacturer part number L176-47P
UPC 788379739775
Type Tank body, back half
Part type Pool pump part
Fits Sta-Rite PLBC series booster pump, model PLBC-178L
Shipping weight 1.55 lb
Ships Parcel

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Questions and answers

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

Is this the whole tank body?
No. It is the back half only. The front half is a separate part.
Which pump does it fit?
The Sta-Rite PLBC series booster pump, model PLBC-178L.
Is it a Sta-Rite part or a Pentair part?
Both names appear on it. The brand is listed as Sta-Rite and the same part number L176-47P is also shown as a Pentair part in the source listing, so either reference points at this housing.
Do I need a new o-ring?
The tank body seals against an o-ring. Any time the housing comes apart it is worth fitting a fresh seal rather than reusing a compressed one.
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