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Thread: Head pressure?? Totally confused..

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    Head pressure?? Totally confused..

    Well I just had a pool installed ... Inground cement 16x45.. 7ft deep...Hayward salt chlorinator 15t cell, Hayward ecostar pump, Hayward cartridge filter...navigator pro Vacuum..6 deck jets..

    It seems to be working great but I noticed all the gauges show 1-2psi of pressure at 1500rpm In both pump and moves to 4psi at 1750 Rpm... Are these numbers correct??

    When deterring head pressure should I be running the pump at full speed 3450rpm??

    Any help would be appreciated..Thank you

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    bobodaclown's Avatar
    Join Date
    Apr 2011
    Murrieta, CA

    Re: Head pressure?? Totally confused..

    Yes those number seem pretty normal. You check PSI at high speed 3450/3600 and to determine when to backwash/clean filter.
    Murrieta, CA. 15K (Est) pool/spa. Hayward Tristar SP3220EE 2.70HP pump, Hayward Swimclear Cartridge filter C4025 425sqft (PA106), Pentair Mastertemp 400 heater. TF-100/Speedstir

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    Mod Squad jblizzle's Avatar
    Join Date
    May 2010
    Tucson, AZ

    Re: Head pressure?? Totally confused..

    Seems normal. You likely do not need to raise the speed up that high for backwashing or checking the pressure. Take a clean pressure at a speed that gives a decent pressure so that you can see when it goes up by 25%.

    Why are you trying to determine head pressure/loss?
    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
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    Re: Head pressure?? Totally confused..

    Thanks guys... Only reason I'm asking about Head pressure is because the guy the builder sent over to school us on the equipment and care.. Mentioned it briefly...( And of course you all know the saying.." a little bit of information to an idiot is a Bad thing"..).. So the more I researched on the Net the more confused I became.... But I believe I understand the equation now... And how it works..

    Thanks again

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