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helicopter in plumbing

| Posted in General Discussion on September 30, 2004 05:32am

We’ve recently noticed a sound throughout the house everytime a toilet is flushed that sounds like a helicopter is flying overhead. The sound lasts for 10-15 seconds and gradually diminishes. It happens after the flush, while the tank is refilling. No other water usage seems to reproduce this noise.

It seems to have started after a minor plumbing leak was repaired about a month ago…repair involved only a couple feet of pipe and an elbow, and it isn’t on the same run as the toilets or the origin of the noise. We did have the pipes drained a couple times for the repair.

Any chance there could be a bubble of air somewhere that results in a strange noise like this? If so, what do you do? Any suggestions would be welcomed.

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Replies

  1. User avater
    IMERC | Sep 30, 2004 05:54am | #1

    The filler valve diaphram is fluttering... Change it out...

    or

    hey guys... I think they have shrunk the black helos

    Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and loudly proclaiming

    WOW!!!   What a Ride!

    1. Mitremike | Sep 30, 2004 07:14am | #2

      every one knows that Black Helos are silent ----had to be one of those russian black helos...............Spying...........or........something.

      1. User avater
        IMERC | Sep 30, 2004 08:31am | #3

        with them that small and basicly in a tunnel acting as an echo chamber or amplifier... Not so sure about quiet any more...

        Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and loudly proclaiming

        WOW!!!   What a Ride!

        1. Lbello | Sep 30, 2004 04:59pm | #4

          I thought about the diaphragm valve fluttering as the cause, but the noise occurs when any of our toilets (4) is refilling. I'm thinking there is air in the pipes somewhere that is creating this "reed" effect. Could be unique to the design of our system, but I thought there might be someone out there who had seen this situation before.

          1. User avater
            SamT | Sep 30, 2004 05:57pm | #5

            Lbello,

            Try lifting all four flapper valves in the toilets, (so the tanks do not fill,) for about 15 minutes. Also turn on the cold water fitures in the BRs. This hi volume, fast flow should flush (hehe) any air (if exists) out of your system.

            SamT

            Arguing with a Breaktimer is like mud-wrestling a pig -- Sooner or later you find out the pig loves it. Andy Engel

          2. Lbello | Oct 01, 2004 07:58pm | #8

            Thanks!

            I did hold open the flappers on the toilets and open up many fixtures for 15 min , as recommended. The noise is gone! For what it is worth, also noted that afterwards a couple of sinks had very reduced flow...lots of debris in the aerators. These weren't on the same trunk line as the repair. Who knows? Maybe it was air, maybe the draining and refilling of the lines shot out collections of granular sediment from our well tank which lodged somewhere and made the noise. Probably should install a sediment filter here.

            Thanks for the advice.

          3. User avater
            SamT | Oct 02, 2004 08:58pm | #9

            .

            Arguing with a Breaktimer is like mud-wrestling a pig -- Sooner or later you find out the pig loves it. Andy Engel

          4. User avater
            BillHartmann | Sep 30, 2004 06:20pm | #6

            You have something "loose" that moves in and out, blocking and unblocking the line, as the water flows.

            Most commonly this is in the valve at the fixture.

            But it can also be the main shut off valve, a pressure reducing valve if you have one.

            Or in this debrie from the repair. Either something that broke off or lots of excess solider that got into the pipe.

          5. User avater
            IMERC | Sep 30, 2004 06:28pm | #7

            During the full refill cycle or just at the end of the cycle...

            Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and loudly proclaiming

            WOW!!!   What a Ride!

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