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Old 02-20-2013, 04:17 PM   #1
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What the h--- is this and why is it leaking?


Suddenly started seeing rust stains on my basement workshop bench. Turns out they are coming from this "thing" ... What is it??? Do I need it? Should I replace it or rip it out and replace it with a straight through pipe?

Thanks!!
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Old 02-20-2013, 04:27 PM   #2
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What the h--- is this and why is it leaking?


looks like a pressure reducing valve. if it is leaking replace it

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Old 02-20-2013, 04:31 PM   #3
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What the h--- is this and why is it leaking?


+1, time to rebuild it. There should be some info on the the side of it.
Far easyer to rebulid it then replace it.
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Old 02-20-2013, 04:34 PM   #4
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What the h--- is this and why is it leaking?


i agree or rebuild and do not by pass it or you might end up with more leaks depending on curb pressure
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Old 02-20-2013, 05:30 PM   #5
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What the h--- is this and why is it leaking?


Looks like it in a copper line with a union nut on one side? If so replace it. Turn off the water, break the union loose, unthread from the male adapter. Reverse the order with a new PRV.
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Old 02-20-2013, 07:20 PM   #6
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What the h--- is this and why is it leaking?


Thanks, all! Looks like I know what I'm doing this weekend!
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Old 02-20-2013, 08:09 PM   #7
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What the h--- is this and why is it leaking?


yup, Same thing happened to me awhile back. Cost me about 30 bucks for a new one. You are lucky like I was, thank god someone put a union their and it's threaded on the other end. Should be pretty easy to change out. Don't forget the pipe dope and teflon for the threaded part. I used both.
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Old 02-20-2013, 08:30 PM   #8
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What the h--- is this and why is it leaking?


Consider if there is a BETTER place to have it installed.
They're usually VERY close to where the water enters the house (at the valve).
Also consider adding a gauge or two.
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Old 02-21-2013, 05:58 AM   #9
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What the h--- is this and why is it leaking?


Do you have a boiler or forced air heating?
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Old 02-21-2013, 06:04 AM   #10
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What the h--- is this and why is it leaking?


[QUOTE=joecaption;1121188]+1, time to rebuild it. There should be some info on the the side of it.
Far easyer to rebulid it then replace it.[/QUOTE]


really
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Old 02-21-2013, 06:06 AM   #11
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What the h--- is this and why is it leaking?


Quote:
Originally Posted by HVACTECH96 View Post
Do you have a boiler or forced air heating?
yup, both. why?
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Old 02-21-2013, 06:09 AM   #12
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What the h--- is this and why is it leaking?


It had plenty of useful life replace it don't try to rebuild it. One little tear in a gasket or diaphragm and you get frustrated and end up buying a new one anyway.
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Old 02-21-2013, 08:47 AM   #13
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What the h--- is this and why is it leaking?


I use both teflon tape and pipe dope. I put pipe dope on threads first, then wrap it with a little teflon tape. Just my preference. I feel it seals better so there is no leaking/dripping afterwards. Threads can be pesky sometimes, especially when you are mixing metals.

You don't have to, you can use either or, it's up to you. I use to use just teflon tape, which is fine 99 percent of the time, but I had to go back and fix a couple drips. That's when I started using pipe dope as well. I haven't had any leaks, drips or errors yet when working with threaded pipe.

Put on threaded side only - nothing on the union side that should be fine.

Let us know how it turned out for you, or if you need anymore guidance.
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Old 02-21-2013, 09:25 AM   #14
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What the h--- is this and why is it leaking?


I've had a couple of watts 25AUB that I had to rebuild, because the darn connections were embedded in concrete. That style uses stainless screws to secure the top of the unit to the main body. That made it easy. Had it been the style pictured above, i'd have had the jackhammer out.


Otherwise, I disagree with joe. Usually easier to replace them, and not really that much more money.
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Old 02-21-2013, 09:46 AM   #15
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What the h--- is this and why is it leaking?


Jmon Teflon tape first then pipe dope other way squeezes dope out

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