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Thread: polaris booster pump leaks!

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    polaris booster pump leaks!

    Hi All:
    I just opened my pool and learned that my polaris pb4 booster pump is leaking at both the supply port and return port. There appears to be some sort of rubber in there that looks like it has dry rotted? I am not sure how to correct this. Do I need to cut the pipes and re-glue everything? Are they threaded on? If so I assume I would need to cut the top of the pipe and attach a new connector. Any advice is much appreciated! Here are a few pics.

    Attached Images Attached Images
    25,000 vinyl w salt located north nj. Waterfall, spillover spa, Polaris 280

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    JasonLion's Avatar
    Join Date
    May 2007
    Silver Spring, MD

    Re: polaris booster pump leaks!

    Yes, those connections are threaded. It looks like someone might have used a hardening thread seal compound on them, which will make them a little more challenging to unscrew but it should still be possible.

    If everything is rigid pipe you will need to cut both pipes somewhere so you can unscrew them and then put things back together when you have everything put back together. Often there is some flex hose connected to the rigid that can be disconnected, allowing you to finish without cutting, but I don't see that in your picture.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

  3. Back To Top    #3

    Re: polaris booster pump leaks!

    Ok great. Thank you. Do you suggest I cut out some hard pipe and replace with some flex pipe for future use?

    25,000 vinyl w salt located north nj. Waterfall, spillover spa, Polaris 280

  4. Back To Top    #4

    In the Industry

    Join Date
    Apr 2012

    Re: polaris booster pump leaks!

    Make sure when you replace all of that you do NOT use glue on the threaded parts...just some teflon or pipe dope or both. I would suggest adding a 3/4" union or two (Polaris PB4 pumps are 3/4" in and out). If you glue it, the male threaded adaptors will never be able to be removed without some MAJOR parts replacement.
    Science and Math Teacher
    Owner - SPS - part time pool biz
    18x36 IG Vinyl, 23000 Gallons with Jacuzzi (the bane of my existance) pumpworks
    Polaris 280 w/ PB4 booster

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