Question about Polaris Pb4 - 60 Booster Pump

1 Answer

I have a PB-4 polaris Booster pump

The problem is that the motor runs and leaks water at the pump end of the motor and dose not work the pool sweep at all. could I be leaking so much water that it wont work.? It leaks prety good but i wouldn't think that it would stop the sweep from moving. I have cleaned all of the filters and lines and it still wont pump water.

Posted by Anonymous on

1 Answer

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  • Polaris Master
  • 3,543 Answers

Replace pump

Posted on May 22, 2016

6 Suggested Answers

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Posted on Jan 02, 2017

john224
  • 1378 Answers

SOURCE: POLARIS PB-4 3/4 HP BOOSTER PUMP

A motor can run that hot and still be within the temperature it can handle. It likely has an internal overload device that will shut it off if it exceeds that temperature. If you see something like "thermally protected" on the motor nameplate, you are ok. If it is getting noisy as it runs it may need servicing.

Posted on Jun 14, 2009

john224
  • 1378 Answers

SOURCE: polaris booster pump overheats and trips the breaker

The motor may be repairable. Check with local electric motor repair shops in your area. The motor may need to be replaced though and if so, we sell it at www.arrowmotor.net

Posted on Jun 14, 2009

john224
  • 1378 Answers

SOURCE: polaris booster pump runs for minute but quits. Tries to restart

The motors are usually dual voltage and factory connected for 230V. Are you sure it is properly wired and set for the correct incoming line voltage?

Posted on Aug 24, 2009

john224
  • 1378 Answers

SOURCE: Once the booster pump (for polaris 280) is turned

There is a bad seal and/or gasket in the pump allowing it to leak. It is usally the seal. Take it to a local electric motor or pump shop and the repair is probably under $50 total. You could also buy the parts to try it yourself, but the seal that pump takes (AS-1000) is a little tricky to seat properly. Besides, if your bearings are also damaged, the shop could fix that as well.

Posted on Oct 03, 2009

john224
  • 1378 Answers

SOURCE: Installed a new 3/4 hp Polaris pool sweep pump.

Those pumps are dual voltage...Are you certain you connected it correctly for the voltage present? If the motor is set up for 230V (as it usually is when purchased new) and you only feed it 115 volts it will heat up and then act as you are describing. The side of the motor will have a diagram for how to reconnect the motor if necessary.

If connected correctly you would have a voltage issue in the line to the pump (unlikely). Check the voltage present at the motor terminals under load and look for a drop of more than 10%. If this is the case you will likely need an electrician.

Like I said though, it is usually because of wrong voltage setup for the problem you describe.

Posted on Dec 19, 2009

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1 Answer

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Polaris booster pump runs for minute but quits. Tries to restart


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Aug 24, 2009 | Polaris Pb4 - 60 Booster Pump

1 Answer

POLARIS PB-4 3/4 HP BOOSTER PUMP -- body of pump very hot, too hot to hold hand on. 20 amp breaker gets very hot also. Has not tripped the 20 amp breaker yet.


A motor can run that hot and still be within the temperature it can handle. It likely has an internal overload device that will shut it off if it exceeds that temperature. If you see something like "thermally protected" on the motor nameplate, you are ok. If it is getting noisy as it runs it may need servicing.

Jun 08, 2009 | Polaris Pb4 - 60 Booster Pump

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