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Old 11-17-2011, 01:08 PM   #1
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Outdoor Leak Problem Question

Hello, I have a question for all. I have attached a photo on here to show what is going on. Outside I have what looks like an Air Valve and until recently nothing was coming out of it. Until I just noticed that there is a very small leak coming out but mostly I hear air blowing out of it non-stop. Is this something that I can fix or should I call a plumber? Thank you all. Love the forums.
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Outdoor Leak Problem Question-pipesmall.jpg  


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Old 11-17-2011, 01:58 PM   #2
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what i think you are referring to is a faucet backflow preventer. it is probably going bad and the rubber inside is worn out. be very careful taking it off, there is a set screw on it somewhere that "sets" it onto the threads and if you try to remove it with pliers, you will damage the faucet threads. you must remove the set screw first, then use channel lock pliers or soemthing similar to twist it off. take it to lowe's or HD and you will find a replacement, they are very common.

if you are talking about the valve at the bottom of the picture, i'm not sure what that is.


Last edited by NitroNate; 11-17-2011 at 02:01 PM.
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Old 11-17-2011, 04:08 PM   #3
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Is what you hear leaking actually the collar on the hose bib as the above poster suggested, or is it the other valve located lower on the wall?
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Old 11-17-2011, 06:06 PM   #4
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Per the lower pipe...

Do you have a boiler for heating?

Is there a pipe from that going to that outside wall?
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Old 11-17-2011, 07:32 PM   #5
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It is actually the bottom one my apologies for not stating that on the first post. I have no idea as to where it leads to but everyone in community has one and no one in the neighborhood has any clue as to what the purpose of it is.
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