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Thread: Flow Sensors leaking

  1. #1
    Frequent Visitor
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    Flow Sensors leaking

    So I have 7 of the 1 inch flow meters on my tank, and I am about ready to rip them all off. They leak all the time, so I assume I have done something wrong. I have tried the thread paste and the tape and they still leak, and if they stop leaking from the threads they leak from the union itself so I am kinda fustrated with them. Any suggestions?

    Thanks

  2. #2
    NSI Member
    Join Date
    Jan 2013
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    MN
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    2,551
    Are you using the unions that came with them? The threading on the meters is BSPP not US. If you try a US threaded piece they will leak.

    I assume you saw this post. The paste recommended has worked well for me.
    https://forum.neptunesystems.com/sho...mbing-Fittings

  3. #3
    Frequent Visitor LobsterOfJustice's Avatar
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    Jun 2013
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    Cary, NC
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    I used silicone on the threads between the union and sensor. Before the silicone, I followed the paste instructions and still had leaks on all 3 of my sensors.


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