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Thread: Filter Not Holding Pressure

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    Join Date
    Oct 2015
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    Lindale, TX
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    Filter Not Holding Pressure

    I changed the 4 cartridge filters out yesterday on my Hayward Swimclear C5530 Filter getting ready for the Fall and Winter. Now, the pump won't stay primed once I turn the filter off. There is no leakage at the seal where the filter comes together. It has been difficult to turn off the manual relief valve at the top of he filter which will release some water and air for a few minutes but will finally stop. Do you suppose there is a small amt of air that continues to release until the pump and filter lose prime? Do you have to replace the entire pressure gauge on top to replace the valve or can you replace the valve by itself. Thanks in advance for all your help.............
    22,538 gallons, Salt chlorinator, IG, Gunite/plaster, Installed 2012
    Hayward 2 HP-2 Speed, Hayward Model C5530BHMB Filter, 550 Cartridge
    Hayward GLX-PL-LOC-P-4 Display Local with Pro Logic P4, Hayward Sense & Dispense AQL
    Hayward TurboCell-T Cell 15 Salt Chlorinator, Dolphin s300i Robotic Cleaner
    Add water from well for evaporation purposes

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    duraleigh's Avatar
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    Apr 2007
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    Sebring, Florida
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    Re: Filter Not Holding Pressure

    Welcome to the forum.

    With the filter running, is there any visible air in the pump filter basket?
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Oct 2015
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    Re: Filter Not Holding Pressure

    Not noticeable once I get the pump primed and running. However, I am unable to fully close off the air relief valve and since there is a very small amount of air and water running out, I feel pretty sure that's my problem. So I've ordered a relief valve to replace it. I wasn't sure exactly how to replace it but finally found a 'How To' video that shows I'll have to remove the entire assy in order to get to the nut that holds the valve on. Thanks for your help and quick response......I think I'm going to like the forum.
    22,538 gallons, Salt chlorinator, IG, Gunite/plaster, Installed 2012
    Hayward 2 HP-2 Speed, Hayward Model C5530BHMB Filter, 550 Cartridge
    Hayward GLX-PL-LOC-P-4 Display Local with Pro Logic P4, Hayward Sense & Dispense AQL
    Hayward TurboCell-T Cell 15 Salt Chlorinator, Dolphin s300i Robotic Cleaner
    Add water from well for evaporation purposes

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    duraleigh's Avatar
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    Apr 2007
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    Sebring, Florida
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    Re: Filter Not Holding Pressure

    since there is a very small amount of air and water running out, I feel pretty sure that's my problem.
    Yeah, so do I. Should be an easy fix but don't get too discouraged if you still drop prime.....those leaks are difficult to track down but I think you have a good grip on this one.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Join Date
    Oct 2015
    Location
    Lindale, TX
    Posts
    16

    Re: Filter Not Holding Pressure

    Thanks, I'll let you know once I get the part in and get her replaced. Having to run my filter even with this small leak to combat the leaves.....a lot of leaves falling this time of the year in East Texas..lol.
    22,538 gallons, Salt chlorinator, IG, Gunite/plaster, Installed 2012
    Hayward 2 HP-2 Speed, Hayward Model C5530BHMB Filter, 550 Cartridge
    Hayward GLX-PL-LOC-P-4 Display Local with Pro Logic P4, Hayward Sense & Dispense AQL
    Hayward TurboCell-T Cell 15 Salt Chlorinator, Dolphin s300i Robotic Cleaner
    Add water from well for evaporation purposes

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    Mod Squad woodyp's Avatar
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    Apr 2010
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    East Texas
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    9,002

    Re: Filter Not Holding Pressure

    a lot of leaves falling this time of the year in East Texas..lol.

    I'll second that after the storm last nite.
    16x32x52" Steel Cornelius Miramar AGP Vinyl liner 13,100 gal. Buried 2 ft.
    2 Speed Hayward Power-Flo Matrix 85 g.p.m. 22" 250lb. sand filter hard plumbed
    Pool Rover Jr., Pool Blaster Max, Diver Dave TF100 Test Kit/Speed Stir
    Margaritaville Frozen Concoction Maker, Liqour Chiller, & Drink Mixer & Party Tub----Collect 'um all!

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