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Thread: Do I need a bigger pump?

  1. Back To Top    #1

    Join Date
    Apr 2013
    Location
    Southern California
    Posts
    27

    Do I need a bigger pump?

    I have a 15 x 30 / 3' x 7' and I'm running a hayward maxflow II 1 1/5 HP pump 240V.
    Its a SP2810X15: Pump Output (GPM) vs. Total Resistance To Flow (Feet of Head) ==
    20ft/83, 30ft/74, 40ft/64, 50ft/51, 60ft/34

    I have 1 1/2 inch pipe with two pool returns and 1 skimmer
    do I need to give any more info?
    I was looking at the 1 1/2 HP super pump I and II either of these any better? or am i fine where I'm at?
    Attached Images Attached Images
    17000 gl. In-ground vinyl pool
    Naturesoft/aquarite SWG t-15 cell
    Vinyl liner measured and installed by me

  2. Back To Top    #2
    JasonLion's Avatar
    Join Date
    May 2007
    Location
    Silver Spring, MD
    Posts
    37,879

    Re: Do I need a bigger pump?

    Unless you have a fountain, waterfall, spa, or something similar you want the smallest pump possible. So, if anything, I would recommend getting something smaller. Of course, replacing a working pump is almost never worth it, unless your electric rates are very high.
    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

    Join Date
    Apr 2013
    Location
    Southern California
    Posts
    27

    Re: Do I need a bigger pump?

    Now that is music to my ears!
    17000 gl. In-ground vinyl pool
    Naturesoft/aquarite SWG t-15 cell
    Vinyl liner measured and installed by me

  4. Back To Top    #4

    Join Date
    May 2009
    Location
    Youngsville NC
    Posts
    395

    Re: Do I need a bigger pump?

    Pool stores / builders typically oversize the pump and undersize the filtering system per the usual recommendations at this site. OTOH - as stated above - I would not be in a big hurry to swap out a perfectly fine working pump just to change sizes either, unless the payoff is really quick (1-2 years).

    If your current pump actually needs replaced - then by all means - change to a smaller, more efficient pump (two speeds and /or multi / variable speeds are both popular options, depending on your power rates).
    16x32 IG 19,000 gallons, Pentair 1.5 hp Energy Efficient Superflo pump (348024),vinyl liner, Chlorine dispenser, Hayward S-244T sand filter

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