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  1. #61
    Join Date
    Sep 2009
    Posts
    1

    Default Re: pin hole leaks in copper pipe

    I just had my third pin hole leak in my utility room in the past year. Two where on the main vertical water line just inside the house and the third in a horizontal pipe down the line. We replace the sections of copper that had the leaks, but now I'm scared that we will never see an end to this. Is there anything we can do besides replumb the house? We are also in Maple Grove MN. The same location of the person that started this thread.

    Thanks!

  2. #62
    Join Date
    Jun 2007
    Location
    Fayette County, Ohio
    Posts
    5,558

    Default Re: pin hole leaks in copper pipe

    If the cause was improper installation, that is the tubes were not reamed, you may or may not have more problems a lot will depend on the amount of water flow . If the cause was excess acid flux use, you may or may not have more to worry about. In 20 years I have had one pinhole leak and no others. If it was caused by acidic water you probably will have more problems. Did you inspect the the tubing to determine the cause? Have you had your water tested?
    Jack
    Be sure you live your life, because you are a long time dead.-Scottish Proverb

  3. #63
    Join Date
    May 2008
    Location
    Pacific Northwet
    Posts
    1,361

    Default Re: pin hole leaks in copper pipe

    This just goes to show the DANGERS of copper piping. Just think of all that elemental copper and copper compounds floating around in your drinking water. Who knows what kinds of bad things it will do to your body?!?!?!!! I say you should use SAFE, HARMLESS PLASTIC pipe that will last forever.

    Excuse me while I go wash my tinfoil hat.
    The "Senior Member" designation under my name doesn't mean I know a lot, it just means I talk a lot.I've been a DIYer since I was 12 (thanks, Dad!). I have read several books on various home improvement topics. I do not have any current code books I can refer to. I was an apprentice plumber for two years.

  4. #64
    Join Date
    Jun 2007
    Posts
    143

    Smile Re: pin hole leaks in copper pipe

    I have been reading some of the posts and have to agree with the majority of them but do think that some of the advice may be an over complication of what may really be happening. I am not a plumber but have had our share of leaky pipes with pin hole leaks. The plumber at first said it must be bad pipe as he had recently been to our house and replaced the same section within a few months. So he used thicker walled copper pipes which lasted longer but still started to leak. Well he and we were getting very frustrated until we found out other people in our area were having the same problem. Finally it was in the news that our water company was using some kind of additive in the water that was causing failure of the copper pipes. After the additive was removed no more leaky pipes. I suggest that people check with their water company first and also their neighbors to compare notes. I wish you good luck!
    Last edited by hedgeclippers; 09-24-2009 at 07:31 PM. Reason: Spelling

  5. #65
    Join Date
    Jul 2008
    Location
    San Francisco , Ca
    Posts
    43

    Default Re: pin hole leaks in copper pipe

    Quote Originally Posted by Fencepost View Post
    This just goes to show the DANGERS of copper piping. Just think of all that elemental copper and copper compounds floating around in your drinking water. Who knows what kinds of bad things it will do to your body?!?!?!!! I say you should use SAFE, HARMLESS PLASTIC pipe that will last forever.

    Excuse me while I go wash my tinfoil hat.
    lol copper tube is antibaterial and builds a nautural protective film inside the tube.Most pinhole copper jobs i get called to are caused by excess oil based flux preventing patina adhesion from occuring in lieu of unreamed joints and excess system velocity the acteptable limits for cold is about 8 feet per second and 5 ft per second for hot.But in some situations it is the ph of the water as mentioned check with the local water dept.

  6. #66
    Join Date
    Nov 2009
    Posts
    13

    Smile Re: pin hole leaks in copper pipe

    Yes you should expect more leaks- I recommend you view two web sites- aceduraflo.com and fixmypipes.com Epoxy coating of copper or galvanized piping without destruction, last longer than copper pipes

  7. #67
    Join Date
    Nov 2009
    Posts
    13

    Smile Re: pin hole leaks in copper pipe

    Quote Originally Posted by Fencepost View Post
    This just goes to show the DANGERS of copper piping. Just think of all that elemental copper and copper compounds floating around in your drinking water. Who knows what kinds of bad things it will do to your body?!?!?!!! I say you should use SAFE, HARMLESS PLASTIC pipe that will last forever.

    Excuse me while I go wash my tinfoil hat.
    I think a better alternative and less destructive is pipe coating with epoxy- check out aceduraflo.com or fixmypipes.com

  8. #68
    Join Date
    Apr 2009
    Location
    Idaho
    Posts
    14

    Default Re: pin hole leaks in copper pipe

    I thought I had fixed my problem in 2009 when I replaced most of the copper in my hot water recirculation system and added a timer to reduce the amount of time the water circulated. However, today, another leak appeared. I realized that when I had replaced the copper earlier, I had not replaced a short 6 inch piece that came out of the wall. Well, guess where the new leak is? You guessed it. In that 6 inch piece of copper coming out of the wall. I know that I didn't replace the piece earlier because I did not want to open the wall to get at the elbow that the piece was attached to. I now have a hose clamp and a piece of rubber covering the leak. My project tomorrow is to open the wall and replace that 6 inch piece. I am predicting that this piece will have an unreamed end near the elbow. While I am doing this, I will also examine the copper I replaced 3 years ago to see if it is developing thin walls.

    The plumber who installed the plumbing in my house used plastic under the house but ran copper up the wall to this system. My guess is that there is a copper elbow in the crawl space that the copper in the wall attaches to. I am considering whether I need to go in the crawl space and check to see if the wall of the copper pipe attached to that elbow is getting thin or leaking.

    Last edited by oldhanggliderpilot; 03-19-2013 at 12:01 AM. Reason: correct picture

  9. #69
    Join Date
    Apr 2009
    Location
    Idaho
    Posts
    14

    Default Re: pin hole leaks in copper pipe

    Quote Originally Posted by johnystrong View Post
    Hello,

    I have read your post.Long term ignorance can increase cost.Can you identify Exact reason of pin hole leak in copper pipe?
    Go back and read the entire discussion. In 2009, I posted pictures of my system plus pictures of some of the copper that I replaced. The exact reason in my opinion is unreamed ends on the copper plus (until 2009 when I added a timer) 24/7/365 water flow.

  10. #70
    Join Date
    Feb 2012
    Posts
    92

    Default Re: pin hole leaks in copper pipe

    Copper the main failures, age is it over 20 years of age? Second whats the water quality? But I have seen wires touching piping, electrical, cable, phone etc.. bare wires or even just touching disimiliar metals causing electrolisis thus causing pinhole leaks one after the other sometimes the easiest way to fix these kind of problems is to go to were the main water line comes in and take out a small section about 2-3 feet and replace with pex or plastic to stop the current from being grounded this has saved many many customer's I have helped.
    Hope this helps,

    Ben Franklin Plumbing
    372 D St
    Salt Lake City, UT 84104
    (801) 416-3522
    http://www.benfranklinplumbingut.com/salt-lake-city-ut/

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