The usual cause is excessive water velocity due to an oversized circulator pump or undersized water pipes. In certain areas the water is very aggressive and will eat through copper lines.
Please post more detailed information on this problem for discussion. We have a neighborhood that has 60+ residents who have had from 1 to 14 pin hole leaks. See posting Pin hole leaks in copper piping dated 9/16/00 by SteveG. for at least 3 possibilities.
Please post more detailed information for discussion. We have a neighborhood that has 60+ homes that have from 1 to 14 pin hole leaks. See 3 possible answers in posting by SteveG. on 9/16/00 titles Pin hole leaks in copper.
Please post more detailed information for discussion. We have a neighborhood that has 60+ homes that have from 1 to 14 pin hole leaks. See 3 possible answers in posting by SteveG. on 9/16/00 titles Pin hole leaks in copper.
Please provide more details for discussion (inlc city, state). We have a neighborhood where 60+ homes have had 1 to 14 pin hole leaks in last 6 months. For 3 possible causes, see posting by SteveG. dated 9/16/00 titled Pin hole leaks in copper.