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Part # 5074-18A

Manufacturer Code 074564

Dimensions 10" L x 10" W x 2" D

Alternate Part #'s 074564, 25357-300-000, 311 PEN (mold#), 350201, 448418, 5074-10A, 5074-18A, 601197, 74564, 788379699468, 788379720421, PUR1013477, V20-208, 074564Z, 35-612-2090, CMP25357300000, PEN074564Z, V20208

Product Description

Seal Plate by CMP for Pentair Whisperflo Pumps - REPLACES PENTAIR WF Series - 074564

**NOTE: PART # 350202 includes the pump Mechanical Seal and Seal Plate Gasket.**

REPLACES Whisper-Flo Pump Seal Plate

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?     Asked on 9/29/2015by ron

I have an older model whisper flo wf 4,,,and it runs my pop ups,,not my filter,,and it is leaking water at the bottom of the seal plate,,new gaskets did not help ,,maybe my seal plate flange is warped from overtightening,,I doubt if the housing is warped will this item fit my pump??
 Reply

A  Answered on 10/5/2015 by InyoPools Product Specialist Lennox H.

Hi Ron, The WFE Seal Plate (074564) will work with your older model WF-4 Pump.
 Reply


?     Asked on 12/13/2015by mirian

I have a whisperflo model wf-26 will this seal plate work with this model?
 Reply

A  Answered on 12/14/2015 by InyoPools Product Specialist Robert M.

Hello Mirian - Yes, part number 5074-18A (074564) is the correct seal plate for the WF-26.
 Reply


?     Asked on 8/1/2016by Inyo Visitor

Do you know what the torque specs are for the bolts? The previous one was had broken around the nut well do to overtightening. Thanks
 Reply

A  Answered on 8/3/2016 by InyoPools Product Specialist Alan M.

I would recommend contacting Pentair at 1-800-831-7133. Unfortunately we do not have the information to properly answer your question.
 Reply


?     Asked on 9/2/2016by richard watters

how does the seal plate come off after you have disconeted the pump
 Reply

A  Answered on 9/2/2016 by InyoPools Product Specialist Megan C.

Hello, Richard. You will need to remove the diffuser cover and impeller first. I have included a link on How To Replace the Motor on Your Pool Pump http://www.inyopools.com/HowToPage/how_to_replace_the_motor_on_your_pool_pump.aspx The link is not specific to the Whisperflo, though, it will provide a general overview on how remove the parts.
 Reply


?     Asked on 10/16/2017by Bob

What is the required seal plate for a Pentair WhisperFlow WF-28 pump.
 Reply

A  Answered on 10/16/2017 by InyoPools Product Specialist Lennox H.

Hi, Bob. This Seal Plate - 074564 will fit the WF-26 Pump. 
 Reply


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Difficulty

Est. Repair Time

2 to 4 hrs

Tools Needed

Screwdriver, Pliers, Socket Set, Wrench Set

I developed a small leak between the pump and motor. I ordered a seal kit and appropriate o rings in order to rebuild.

Written on 4/20/2020 by Guest

Ordered O'rings and appropriate seal kit to repair leak. Removed motor,when I tried to disassemble the seal plate, two of the bolts were corroded and when they finally broke free the brass inserts fractured the mount. I ordered a new seal plate, replaced the seal, reassembled the motor to seal plate (never seized all the bolts) and reinstalled to strainer assembly. Primed and reconnected the power. Energized the pump and all was fine. No more leaks to my 12 year old Intelliflo variable speed pump

Were these instructions helpful? 
 

Difficulty

Est. Repair Time

1 to 2 hrs

Tools Needed

Screwdriver, Socket Set, Wrench Set

0     1

Old Seal Plate Corroded

Written on 4/15/2019 by Guest

First the new ceramic seal is pressed into the pump impeller. Then the matching seal is pressed into the seal plate. New seal plate attaches to motor with four bolts that engage metal threaded inserts (these were corroded and wobbly in the old replaced seal plate).

Impeller is screwed into the motor shaft (holding shaft steady with small wrench). Then reverse threaded bolt is screwed onto tip of motor shaft (don't forget O-ring). Finally, use hex tool to attach water distributor to motor seal plate.

Were these instructions helpful? 
 

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