Had a leaky shower, found it was the shower neck leaking right where it
went into the elbow. As I unscrewed it, it snapped easily at the
threads. Now, this is the SECOND time in about 8 years this has
happened. The plumbing is copper, and the necks are chromed whatever.
My house water is slightly acidic.
Is there a better repair for this, so I don't have to do it again? Is
there a neck made that won't be this prone to corroding through?
I would suspect that the old necks were some sort of zinc alloy which would
corrode rapidly with copper piping and acidic water. Try to find a neck made
of brass or bronze to solve the problem.
If your water is acidic and you have copper pipe, the pipes will
eventually fail. Acid dissolves copper. When you get a chance, check
the thickness of the copper pipe walls. They are getting thinner.
The only solution is a neutralizing filter where the water main enters
the house, e.g.
but there are many manufacturers of such filters.
I've got same problem having replaced a couple of necks over 30 year
period. My well water pH is about 6.5 and shower necks are flimsy and
corrode. I have considered neutralizing but figure it would be just
another device to have problems with. I read that copper pipes have a
life expectancy of 60 years. Whenever mine go, I'll convert to PEX.
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