Pentair 355004Z black seal plate for Challenger High Flow and High Pressure pumpsPentair Challenger Seal Plate, High Pressure, 355004Z In stock$9799
Pentair 355004Z black seal plate for Challenger High Flow and High Pressure pumps
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Pentair Challenger Seal Plate, High Pressure, 355004Z

Ask a questionMPN 355004Z
$9799
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Quick overview

  • Challenger High Flow and High Pressure the seal plate for both versions of the Challenger.
  • WaterFall too fits the AFP-75 and AFP-120 WaterFall specialty pool and spa pumps.
  • Holds the shaft seal the seal plate carries the stationary half of the shaft seal and joins the motor to the wet end.
  • Black the black seal plate, as pictured.
  • Genuine Pentair 355004Z.
  • Rebuild it right replace the o-rings when the seal plate comes off; the Challenger rebuild kit covers them.
Full description and specifications ↓

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Product details

The Pentair 355004Z is the black seal plate for the Challenger High Flow and High Pressure pumps and for the WaterFall specialty pool and spa pumps, models AFP-75 and AFP-120. It is the genuine Pentair part.

What the seal plate does

The seal plate sits between the motor and the wet end. It carries the stationary half of the shaft seal, locates the diffuser, and closes the back of the pump housing. A plate that has cracked, warped or had its seal seat scored will leak no matter how many shaft seals you put in it.

Before you order

Confirm your pump is a Challenger High Flow or High Pressure, or a WaterFall AFP-75 or AFP-120. Have a new shaft seal on hand, and replace the housing o-rings while the pump is apart; the Challenger rebuild kit covers them.

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

2 Key 2 on the Pentair Challenger PumpFits every model in the drawing.See it on the diagramAll Pentair Challenger Pump Parts 48 parts and the drawing
Specifications
Brand Pentair
Manufacturer part number 355004Z
UPC 788379791629
Part type Pool pump part
Color Black
Fits Pentair Challenger High Flow and High Pressure pumps; WaterFall specialty pool and spa pumps AFP-75, AFP-120
Shipping weight 2.05 lb
Ships Parcel

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Questions and answers

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

Which pumps does it fit?
Pentair Challenger High Flow and High Pressure pumps, and the WaterFall specialty pool and spa pumps AFP-75 and AFP-120.
Does it include the shaft seal?
This is the seal plate itself. Plan on a new shaft seal and fresh o-rings when you install it.
When does a seal plate need replacing?
When it is cracked, warped from heat, has stripped bolt holes, or the seal seat is scored so a new shaft seal will not stop leaking.
Is this the black one?
Yes. The 355004Z is the black seal plate.
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