Question about Polaris Pb4 - 60 Booster Pump

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Polaris pump line disconnected from return line

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Yes its a dedicated line it takes water from output of pool and boosts it and runs it through that line to cleaner if no cleaner its an extra return

Posted on Apr 23, 2016


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How does polaris work

It is a random traveling, in the pool, cleaning unit.
It can either be driven by water flow without a booster pump, or by pressure, which would require an additional booster pump. This will be plumbed so that its intake comes off of the main pumps return line and then a dedicated discharge line to feed the in pool cleaning head.
There are different types designated by a 3 digit model number. x80 = needing a booster pump and x60 - no need of booster pump. These work off of the return lines coming back to pool from main pump. All of the in the pool return fittings will need to be dramatically reduced down except for one (1) where you feed the unit from.

Then there are suction style that plug into a skimmer or dedicated suction port. These will bring debris directly into the pump hair & lint pot basket and the finer stuff into the filter. Where the Pressure style cleaners have their own catch bag.

Another cool thing is they are equipped with a "Back Up Valve" this little doohickey will pick up the unit every 4-6 minutes and get out of any stuck predicament, like steps, ladders, corners, etc. and send it back on its way in a different part of the pool, pretty cool huh?

Good luck

Check this out:

May 27, 2014 | Polaris 380 In Ground Pool Cleaner

1 Answer

I need pictures to do a plumbing on a booster pump for Polaris 280 Please help me out

The horizontal threaded end plumbs into the pool return line, and the vertical threaded end (on top) plumbs into the Polaris return line.
This is a dedicated return line for pressure side pool cleaners that has been pre-plumbed into the pool when it was built.

If you pool does not have that cleaner return line Polaris has a kit for an "over the deck" mount. Each installation is not identical and it would be best to have someone on site to set you straight. Most pool guys will stop by for a minute or two and show you "what connects where" at no charge (expect to be invoiced if it turns into a lengthy Q&A). Google image may help. The 280 is an excellent cleaner, good luck with the install!

Jan 13, 2013 | Polaris 280 In - Ground Pool Cleaner with...

1 Answer

Polaris Booster Pump PB4-60 Overheating

see side of motor make sure wiring correct if ok maybe you got a bad one

Aug 29, 2012 | Polaris Pb4 - 60 Booster Pump

1 Answer

No suction on polaris 380

Polaris works on pressure should be on its own line or return

Mar 29, 2012 | Polaris 380 In Ground Pool Cleaner

1 Answer

Hello, Volut cracked overnight and leaked for several hours, drainig the pool down well over 1 foot. Next day, replaced volute, but now polaris is not functioning. Water is being pumped into the...

With a new volute the most likely causes for low pump flow is a restricted return line, a restricted suction line(or air leak), or there is something wrong with the impeller in that order. There is a filter screen in the return line that can cause the return line to be restricted if it is plugged. It is either in the wall fitting or in the tubing system close to the wall fitting. If it is dirty it means that debris is getting into the system. Typically an early indication that a grid in a DE filter has a leak in it is a plugged cleaner filter screen. The speed of the motor could be causing the problem but this is rare without causing an over current condition in the motor causing it to shut off. My suggestion is first check the return filter screen. If it is dirty then clean it out. Before connecting the return hose start the pump and check the flow by reaching down and manually putting your hand over the water stream coming out of the wall fitting. Turn off the pump and connect the cleaner hose without the filter screen installed. Disconnect the hose from the cleaner and hold the end of the hose while someone turns on the pump. Water should come out of the hose at a high rate. Next install the filter screen and the flow coming out of the hose should be about the same. Now try connecting it to the cleaner. I hope this helps.

Aug 07, 2011 | Polaris Pb4 - 60 Booster Pump

1 Answer

The pump motor is running at the pool equipment but the 3900 does not move. The small filter is clear. the bag is clean. Do i need to do something in the line?

If you have an adjustable return valve, make sure that it is completely open. If it is partially closed, your cleaner will not be getting enought water pressure. Also, check to make sure that the blue restrictor plate is not installed in your return line. If it is, remove it and the pool cleaner should get adequate pressure.

May 13, 2011 | Polaris 3900 Sport Pool Cleaner with PB4...

1 Answer

No water coming through thruster jet

I would make sure that the water pressure from your return lines is adequate to move this automatic pool cleaner. You might also want to check for an obstruction in the lines to make sure that the pressure is adequate.

Jul 02, 2010 | Polaris 380 Pool Cleaner - Pressure

3 Answers

My polaris runs but there is no suction. Any recommendation?

Inside the part where the bag clicks onto the large circle outlet on the top are two little valves. Sometimes these get clogged by algae. Use a thin wooden skewer to poke the algae through then replace your line hose onto the pool return. Everything should work now.

Apr 16, 2010 | Polaris 280 In - Ground Pool Cleaner with...

1 Answer

Had Polaris rebuilt last summer. Then wouldn't

Thank you for posting your question here on

Have you cleaned or replaced the in-line filter found at the wall socket? How about the pressure valve found just after the wall it fully open, possibly allowing too much water to bypass the cleaner and return to the pool?

How about the main filter? If overall system flow is reduced because of a dirty main filter the booster pump would be 'boosting' lower than normal pressure so the net result at the cleaner is reduced as well. A cartridge filter is especially problematic here. It can look clean after rinsing it but after enough use the element needs to be replaced to restore original system flow.

Are there multiple return paths for water back to the pool that have valves? Can you throttle down a return to, say a spa for example, to force more water to the dedicated line for the cleaner?

If this answer does not fix your problem, please comment with additional details prior to rating the answer. Positive feedback is appreciated once your problem is solved!


Jan 18, 2010 | Polaris Pb4 - 60 Booster Pump

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