Question about Polaris Pb4 - 60 Booster Pump

1 Answer

Pump starts and then cuts out

Noticed leaves gathering at the bottom of my pool and suspected the pool sweep was not working. I turned on the pump manually and though it started initially it shut off shortly after. I cleaned my filter and tried again with same result. Part number on pump is 7-173840-23 CAT B625

Posted by Anonymous on


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  • 10,402 Answers

Motor overheating replace pump

Posted on Apr 23, 2016


6 Suggested Answers


6ya staff

  • 2 Answers


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Posted on Jan 02, 2017


John Prohaska

  • 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


John Prohaska

  • 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


  • 106 Answers

SOURCE: 280 sweep hose does not sweep-drags behind unit

Where hose plugs into unit, there is a large stainless screw. Turn counterclockwise to allow more water thru hose and get more sweeping action.

Posted on Apr 28, 2010

A Miller

  • 8404 Answers

SOURCE: Booster Pump would not start in evening but did next morning.

If you are able to rebuild it ... it is probably worth while. This includes replacing the motor bearings ... the start capacitor, all seals and bearings in the pump housing including the impeller.

For your current situation, I would suspect the start capacitor may be at the end of its useful life.

Who maintains your water? Is the water 'balanced' and are you getting proper sanitation on only 1.5 hours of filter time per day? Do you know what your flow rate is? Properly balanced water will not eat nor deposit onto your pool and accessories.

I think you will save some money if you run your filter longer. If this is outside and you are using chlorine, (should be 2 to 5 ppm) Are you using cynauric acid? (should be in the area of 35 ppm) (sun screen for chlorine).

Is this a plaster pool or plastic? What are your calcium readings? Plaster pools should be around 300 ppm up to 1000 ...Your pH ... is it in the proper range of 7.2 to 7.6?

If I can be of further assistance, comment to the remarks.

Thanks for your interest in

Posted on May 31, 2010

Tom W

  • 760 Answers

SOURCE: I have a Polaris PB4

The click is the internal thermal overload. Since the pump wouldn't start it overloaded and opened the circuit. Either there is something jammed in the impelller locking the pump up or you have a motor problem. IF it a capacitor start motor, you could have a bad capacitor. Or if it has a starting switch it may not be operating. Start off and be sure the motor turns freely. If you replace capacitor be sure it is same voltage and MFD as the old.Check all wiring connections.

Posted on Aug 18, 2010

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