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Thread: Krystal Clea Model 637R Filter Pump Help

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    Krystal Clea Model 637R Filter Pump Help

    my pump will only half fill the pool is 3,861 gallons only half of the filter is being used i use the air valve but it will not spit out water just keeps feeeding more air it will not fully fill up what is the issue?

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    duraleigh's Avatar
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    Re: Krystal Clea Model 637R Filter Pump Help

    You have a suction side air leak. Somewhere between the pump and the skimmer(s), air is being sucked into the system. Find that leak and your issues will be solved.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    linen's Avatar
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    Re: Krystal Clea Model 637R Filter Pump Help

    Welcome to tfp, Galarius

    Any chance the level the filter fills up to is the same vertical level as the pool surface?
    TFP Expert who uses Pool School and my TF100 test kit along with PoolMath for my: Round 11K gallon AGP with deep end, 20" sand filter, Matrix 1hp 2spd, 6 2ftX20ft solar panels (and solar cover!), Intex SWCG (copper bars disconnected) and a Rubadub hot tub (chlorine). The SLAM process is not finished until: 1. CC < 0.5 ppm, 2. An OCLT < 1.0 ppm and, 3. The water is crystal clear.

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    Re: Krystal Clea Model 637R Filter Pump Help

    the pump is sitting way below the wter level if thats what you mean sorry kinda new to pools

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    linen's Avatar
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    Re: Krystal Clea Model 637R Filter Pump Help

    Are you bleeding the air with the pump off? It needs to be.
    TFP Expert who uses Pool School and my TF100 test kit along with PoolMath for my: Round 11K gallon AGP with deep end, 20" sand filter, Matrix 1hp 2spd, 6 2ftX20ft solar panels (and solar cover!), Intex SWCG (copper bars disconnected) and a Rubadub hot tub (chlorine). The SLAM process is not finished until: 1. CC < 0.5 ppm, 2. An OCLT < 1.0 ppm and, 3. The water is crystal clear.

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    Re: Krystal Clea Model 637R Filter Pump Help

    OHHHH!!! so i shut the pump off till it spurts water than close it?

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    linen's Avatar
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    Re: Krystal Clea Model 637R Filter Pump Help

    Yep
    TFP Expert who uses Pool School and my TF100 test kit along with PoolMath for my: Round 11K gallon AGP with deep end, 20" sand filter, Matrix 1hp 2spd, 6 2ftX20ft solar panels (and solar cover!), Intex SWCG (copper bars disconnected) and a Rubadub hot tub (chlorine). The SLAM process is not finished until: 1. CC < 0.5 ppm, 2. An OCLT < 1.0 ppm and, 3. The water is crystal clear.

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    Re: Krystal Clea Model 637R Filter Pump Help

    i just went outside at 1am lol it worked thanks so much you may close this post i also have milky water but thats cuz i skipped the ph stuff lol thanks guys

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    linen's Avatar
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    Re: Krystal Clea Model 637R Filter Pump Help

    By the way, duraleigh was right, it was a suction side leak, called a open air bleed valve since those intex pumps have the filter on the suction side.

    Beware, milky water is often a sign of algae
    TFP Expert who uses Pool School and my TF100 test kit along with PoolMath for my: Round 11K gallon AGP with deep end, 20" sand filter, Matrix 1hp 2spd, 6 2ftX20ft solar panels (and solar cover!), Intex SWCG (copper bars disconnected) and a Rubadub hot tub (chlorine). The SLAM process is not finished until: 1. CC < 0.5 ppm, 2. An OCLT < 1.0 ppm and, 3. The water is crystal clear.

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