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AR15.COM
7/3/2010 12:24:40 PM EDT
It seems like every other year I have a leak in my pipes. A small hole like this one.  Whats up with my plumbing?




7/3/2010 12:27:05 PM EDT
[#1]
Micro-Meteorites
7/3/2010 12:43:12 PM EDT
[#2]
Quoted:
Micro-Meteorites


I was going to go with micro-black holes, but it could be meteorites
7/3/2010 12:44:16 PM EDT
[#3]
electrolysis?
7/3/2010 1:52:59 PM EDT
[#4]
Whats up with my plumbing?
If it happens once or twice chalk it up to bad luck. More than that and the problem is cheap fittings with marginal wall thickness.
7/3/2010 1:56:16 PM EDT
[#5]
Weird I click active topics and this is at the top.

I would be interested to see if the pipe is fully 'set' into that elbow.  I would wager it isn't.
7/3/2010 1:59:35 PM EDT
[#6]
Quoted:
Whats up with my plumbing?
If it happens once or twice chalk it up to bad luck. More than that and the problem is cheap fittings with marginal wall thickness.


This, and any clues as to the pH/chlorine residual of your water?

Our water treatment plant uses alum to flocculate the turbidity out of our surface water prior to the rapid sand filtration, and the pH upset is busy using every piece of galvanized/black iron pipe city-wide as a sacrificial anode. Copper and brass are next on the food chain.
High chlorine residual (like anything over about 2.0 ppm) will eat hell out of copper/brass pipe and fittings in a big hurry.
7/3/2010 2:10:42 PM EDT
[#7]
Could be a few different things.

Hard water, high mineral content.

PH is screwed up (as already stated)

Excess flux used when they were soldered, or excess flux not wiped off after soldering.  (flux is an acid)  Is the problem occurring on both the hot and cold lines or just the cold?

High water pressure.  Anything over 60 psi is considered high.  (and sometimes voids the warranty of water heaters, ice makers, etc.)  

7/3/2010 2:22:25 PM EDT
[#8]
FWIW I have been taught that is the result of not reaming the inside of the copper pipe after roll cutting and the water makes enough turbulence to wear through the side like that. Very unlikely the side wall thickness.