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Thread: Can I avoid fixing Booster Pump with Variable Speed Motor?

  1. Back To Top    #1

    Join Date
    Dec 2011
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    Charleston, SC
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    Can I avoid fixing Booster Pump with Variable Speed Motor?

    I have a Booster Pump that the pool guy says is leaking. He wants to order a new one to replace it. BUT, I heard on a post of mine that I could avoid installing a booster pump altogether if I have a Variable Speed Pump. Is this true? And if so, do I need to upsize it to take into account the fact that I will still need a pressure side cleaner?

    ALSO, how can I find out if I can simply fix my leak on my booster pump versus installing a brand new one?

    Thanks!
    IG Gunnite Pool Size: 25K gallons (20 x 40, 3'6" to 6" depth) with 2 huge Baker Hydro cartridge filters under the skimmer baskets on the suction side, 2 mech timers
    BRAND NEW PLASTER! Quartzscapes/Diamondbrite, Newer Polaris 280, Brand New Hayward Maxflo VS, Brand New Pentair Intelichlor
    I will conquer the black algae this pool season!!!

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    In the Industry

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    Re: Can I avoid fixing Booster Pump with Variable Speed Moto

    Where is it leaking? I usually see them leak either at the shaft seal or the front housing. Both are easily replaceable and a lot cheaper than a whole new pump.
    25K aggregate IG, Intellipro, FNS48, Polaris 360, PG2000 fiber optic light source

  3. Back To Top    #3

    Re: Can I avoid fixing Booster Pump with Variable Speed Moto

    As long as the booster pump is in good condition, it probably only needs a new seal (P55) and O-ring (P95).

    Also, a variable speed pump would not be a good substitute for a cleaner designed to run on a booster pump.

    Can you post a picture of the pump?

  4. Back To Top    #4

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    Re: Can I avoid fixing Booster Pump with Variable Speed Moto

    You know what! It does appear to be leaking only! Hmmm....I am a little wary now. What if I do not need a pump. I am pointing to where it is leaking. How would I know if the pump needs to be replaced?
    Attached Images Attached Images
    IG Gunnite Pool Size: 25K gallons (20 x 40, 3'6" to 6" depth) with 2 huge Baker Hydro cartridge filters under the skimmer baskets on the suction side, 2 mech timers
    BRAND NEW PLASTER! Quartzscapes/Diamondbrite, Newer Polaris 280, Brand New Hayward Maxflo VS, Brand New Pentair Intelichlor
    I will conquer the black algae this pool season!!!

  5. Back To Top    #5

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    Re: Can I avoid fixing Booster Pump with Variable Speed Moto

    Yeah that has nothing to do with the pump itself. That should be a quick PVC fix.

    With that said, it's an older pump and if any parts fail, you may have issues finding parts. Not something I would worry about right now though. What I would make a project out of is getting some conduit to put that power wire in.
    25K aggregate IG, Intellipro, FNS48, Polaris 360, PG2000 fiber optic light source

  6. Back To Top    #6
    JasonLion's Avatar
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    May 2007
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    Silver Spring, MD
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    Re: Can I avoid fixing Booster Pump with Variable Speed Moto

    Most pool cleaners that are specifically designed to work with a booster pump will not work with a variable speed pump and no booster pump. They require the special high pressure low flow rate that a booster pump provides and will not work with the lower pressure and much higher flow rate a variable speed pump has.
    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

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