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Thread: signs of a failing pump?

  1. Back To Top    #1

    Join Date
    Feb 2012
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    Memphis, TN
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    signs of a failing pump?

    Hi TFP,

    I noticed recently the return flow seemed to be really low and pressure has dropped from 15psi to less than 5. I can hook up my kreepy krawler and it'll work for about 2 min but the cleaner will eventually stop working because there's not enough suction. I cleaned out the pump basket and blew pressurized air in the lines thinking it will help unclog the lines but it's still acting the same. The pump sounds the same with no weird noises and I couldn't find any leaks. Is this a sign that my pump is failing? I haven't cleaned the sand filter in about 2 yrs but I really don't think that's causing the problem. It is an old "Jacuzzi" pump that came with the house. Probably over 15 yrs old.

    Any help will be greatly appreciated.
    11,000 gal Fiberglass IG, Jacuzzi sand filter, Pentair Superflo 1.5hp 2speed pump, Hayward AQR15, Maytronics Active20, K-2006 kit, K1766, SpeedStir

  2. Back To Top    #2
    Mod Squad jblizzle's Avatar
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    May 2010
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    Re: signs of a failing pump?

    Pumps generally do not fail. The motor can go bad (make noise due to bad bearings) and then overheat and die, but that would not show as reduced pressure.

    A guess would be that maybe your pump impeller is clogged up with debris and could use a cleaning.

    If there was a problem with the filter or return jets, the filter pressure would actually read higher than normal.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
    500 sqft Heliocol solar panels, ThePoolCleaner, TF-100 test kit w/ SpeedStir
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  3. Back To Top    #3

    Join Date
    Feb 2012
    Location
    Memphis, TN
    Posts
    52

    Re: signs of a failing pump?

    thank jbizzle for the quick response. I will check it out.
    11,000 gal Fiberglass IG, Jacuzzi sand filter, Pentair Superflo 1.5hp 2speed pump, Hayward AQR15, Maytronics Active20, K-2006 kit, K1766, SpeedStir

  4. Back To Top    #4
    Mod Squad jblizzle's Avatar
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    Re: signs of a failing pump?

    Reduced flow without an increase in filter pressure almost always has to be on the suction side. Either clogged suction pipes or clogged impeller. Much more rarely would be a clog between the pump and the filter.

    Do you trust your pressure gauge?
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
    500 sqft Heliocol solar panels, ThePoolCleaner, TF-100 test kit w/ SpeedStir
    Pool School + Test Kit + PoolMath = A TROUBLE FREE POOL
    If you found TFP helpful and we saved you money ... Become a TFP Supporter!

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