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Thread: Hayward 244T sand filter PSI gauge won't stay on

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    Hayward 244T sand filter PSI gauge won't stay on

    I just received a new PSI glycerin filled gauge from TFTestkits. I wrapped the threads with teflon tape and screwed it in. I noticed that it didn't seem to tighten well after several turned unlike the old one I took out. I turned the pump on and seconds later, the gauge blew out. I tried wrapping more tape on it with the same effect. So I put the old one back on. Any recommendations on how I can get a tighter fit?
    34,000 gallon grecian-shaped vinyl pool, Hayward S244T sand filter, 1 HP pump, Polaris 280, TF-100 Test Kit

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    Re: Hayward 244T sand filter PSI gauge won't stay on

    Most filters are 1/4" npt for that fitting. What kind of filter do you have. I am a minimalist concerning teflon tape.....3-4 wraps should be plenty.

    No other reported problems with the threads of which I am aware.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Re: Hayward 244T sand filter PSI gauge won't stay on

    Wow, not sure on this situation. Make sure the threads are the same. Could be the problem. Be careful not to damage the threads on the valve.
    Hayward Pool Tech
    80+ Years of Technologically Advanced Pool Product Manufacturing
    poolside@haywardnet.com

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    Re: Hayward 244T sand filter PSI gauge won't stay on

    The hayward multiport valves tend to be extremely fragile. Finger snug is all I ever tighten a gauge into them. It would be really hard to put a pressure gauge that is the wrong size in a valve, so I am betting that the valve is broken.
    20X40 30,000 gallon gunite pool

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    Patrick_B's Avatar
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    Re: Hayward 244T sand filter PSI gauge won't stay on

    Sounds possible the previous install was cross threaded...
    TFP Moderator
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