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I have a non-freeze hose bib on a house that the owner left a hose connected to this past winter (and it was a cold one in here in the northeast!).

It is installed thru an 8" CMU wall parged on the outside and the basement is finished on the inside (1" air space, 2x4 wood studs and 1/2" drywall). When the hose bib is turned on it provides water just fine but the CMU basement wall gets wet all around the bib. I'm talking about an apparent leak within the CMU cores of the wall. No sign of leaking inside on the drywall. When the bib is shut off the CMU and parging eventually dry out.

What happened to this bib? The washer is is the bib shot? Why does it show signs of leaking when turned on but not in the off position? Is this something that can be fixed by removing the stem from the outside or am I looking at cutting the dry and doing the fix from the inside? Is the fix a complete new bib?
 

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residential service
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The local plumbing professional of your choice will be able to help you with this. Make sure he is certified and licensed by your state to perform this work.
 

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I aint CPV see in it?
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And if for some reason you live on an Island like the one in Lost. Find a man named John locke, then punch yourself repeatedly until you realize, YOUR NOT SUPPOSED TO BE HERE!!!!!!!!
 

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I have a non-freeze hose bib on a house that the owner left a hose connected to this past winter (and it was a cold one in here in the northeast!).

It is installed thru an 8" CMU wall parged on the outside and the basement is finished on the inside (1" air space, 2x4 wood studs and 1/2" drywall). When the hose bib is turned on it provides water just fine but the CMU basement wall gets wet all around the bib. I'm talking about an apparent leak within the CMU cores of the wall. No sign of leaking inside on the drywall. When the bib is shut off the CMU and parging eventually dry out.

What happened to this bib? The washer is is the bib shot? Why does it show signs of leaking when turned on but not in the off position? Is this something that can be fixed by removing the stem from the outside or am I looking at cutting the dry and doing the fix from the inside? Is the fix a complete new bib?
Wow. Sounds bad. My guess is that you are looking at a $5,000 repair bill at the very minimum.
 
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