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Thread: Wondering If My Pump And Filter Are Properly Sized

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    Join Date
    Jul 2015
    Location
    Midland, MI
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    Wondering If My Pump And Filter Are Properly Sized

    The house we moved into has a 24' above ground pool. I don't know much about pools, but in the reading I have done, it seems like the pump might be overrated for the system that is in place.

    The Pool:
    24' Diameter
    54" Average depth
    15,293 gallons (if my calcs are accurate)

    The Pump:
    Hayward SP1580
    1 HP
    Head/Flow
    10 ft / 86 GPM
    20 ft / 86 GPM
    30 ft / 75 GPM
    40 ft / 58 GPM
    50 ft / 27 GPM

    The Filter:
    Hayward S180T
    150lbs sand
    Designed flow rate - 35 GPM

    The Chlorinator:
    Hayward CL200

    The Hoses:
    1 1/2" flexible hoses
    Skimmer to Pump - 6 ft
    Pump to Filter - 6 ft
    Filter to Chlorinator - 6 ft
    Chlorinator to Pool - 3 ft

    If someone more knowledgeable than I could let me know if there are some things that I should change to help with overall efficiency, I would greatly appreciate it.

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    duraleigh's Avatar
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    Re: Wondering If My Pump And Filter Are Properly Sized

    Welcome to the forum.

    The first thing that jumps out is, unfortunately, the most expensive fix.

    You could use a larger filter. Your pump is trying (and capable) of pushing about 60 or so gpm and your filter is only rated for 35 gpm.

    Your psi is likely close to 20 so you could get much more flow and less psi with a bigger filter rated at maybe 80 gpm or so.

    As an aside, it looks like you are using pucks. read "The ABC's of Pool Water Chemistry" up in Pool School. It may change your mind.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Jul 2015
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    Midland, MI
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    Re: Wondering If My Pump And Filter Are Properly Sized

    Quote Originally Posted by duraleigh View Post
    Welcome to the forum.
    Thank you!

    You could use a larger filter. Your pump is trying (and capable) of pushing about 60 or so gpm and your filter is only rated for 35 gpm.

    Your psi is likely close to 20 so you could get much more flow and less psi with a bigger filter rated at maybe 80 gpm or so.
    Excellent guess. The gauge reads ~21 PSI. If I do replace the filter, is it still acceptable to use 1 1/2" hoses for everything?

    As an aside, it looks like you are using pucks. read "The ABC's of Pool Water Chemistry" up in Pool School. It may change your mind.
    Thanks for the tip. I will give it a read.

  4. Back To Top    #4

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    Hayward Pool's Avatar
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    Oct 2014
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    Elizabeth
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    Re: Wondering If My Pump And Filter Are Properly Sized

    Dave, nice seeing someone recommend a larger filter. The 180T will be a workhouse and need cleaning often. Installing a S210T will help with flow and frequency of backwashing.
    Hayward Pool Tech
    80+ Years of Technologically Advanced Pool Product Manufacturing
    poolside@haywardnet.com

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    Mod Squad Bama Rambler's Avatar
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    SouthWest Alabama
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    Re: Wondering If My Pump And Filter Are Properly Sized

    If you're going to change the filter, look around at the S210T or the S220T and get whichever is the best price. It's probably going to be the 210, but it's a good idea to look around.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit

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