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Thread: Not Too Pool Smart But Question On Pressure

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    Not Too Pool Smart But Question On Pressure

    I just opened my pool and I had to replace the Lateral assembly in my sand filter. In years past, my pressure has only been 11 to 13 lbs. Now since starting up, my pressure is 17.. I have backwashed and rinsed several times. New sand and new assembly.. Should I be worried it is that high? No leaks in any connections either.. Appreciate any help!!

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    Re: Not Too Pool Smart But Question On Pressure

    Did you put in more sand than you had previously?
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Richard320's Avatar
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    Re: Not Too Pool Smart But Question On Pressure

    Welcome!

    Did you see 11-13 this year, or did you do repairs before the first startup? Pressure gauges die frequently, especially if they freeze. Does the needle go back to zero when you shut the pump off?
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

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    Re: Not Too Pool Smart But Question On Pressure

    Quote Originally Posted by duraleigh View Post
    Did you put in more sand than you had previously?
    I don't believe so but maybe a little..

    - - - Updated - - -

    Quote Originally Posted by Richard320 View Post
    Welcome!

    Did you see 11-13 this year, or did you do repairs before the first startup? Pressure gauges die frequently, especially if they freeze. Does the needle go back to zero when you shut the pump off?
    I did repairs before the startup.. Pipe broke off of lateral assembly so I couldn't start it until replacing it.. The needle does go back to 0..

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    Re: Not Too Pool Smart But Question On Pressure

    I did repairs before the startup.. Pipe broke off of lateral assembly so I couldn't start it until replacing it.. The needle does go back to 0..

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    Richard320's Avatar
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    Re: Not Too Pool Smart But Question On Pressure

    Probably just a bad gauge. They're standard pipe threads if you want to replace it.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

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    Re: Not Too Pool Smart But Question On Pressure

    If you changed the plumbing and possibly added more sand, then your psi may have changed that much.

    I would just use the new psi as a baseline and go from there.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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