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Old 03-24-2012, 07:33 PM   #1
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Shut Off Valve Before Cabinets??


Ok guys, running some plumbing for a bar sink area right now and was going to hook it all up along with shutoff valves just to make sure I don't have any leaks before it all gets drywalled. Two questions:
1. Is there a good rule of thumb on the depth within the stud that the pipes (supply-copper and waste-PVC) should be, ie right up against the drywall or all the way at the back?
2. If I install shut of valves now to check it, it seems like I am going to be draining the entire house again when I come to install the cabinets because the cover for the hole I will have in the back of the cabinet is a 1/2 pipe style and solid all the way around. Obviously can't slip it over the shut off valve after the fact and if I slip it on before the cabinets are here, it's pretty pointless as the hole I would have to drill would be bigger than the cover to be able to slide it through? What's the best way to do this? Maybe I'm over thinking this and just need to get the snap on kind of cover.

Thanks in advance,
Andrew

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Old 03-24-2012, 07:42 PM   #2
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Shut Off Valve Before Cabinets??


Use Pex, where the ends of the runs are where it goes through the sheetrock you install what's called a stub out. It's a 90 deg. piece of copper pipe with a Pex barb on one end and a sealed end on the other end.
http://www.pexsupply.com/Viega-44227...-Elbow-w-Plate

Once the lines been checked for leaks the water can be left on, sheetrock installed and finished, then you shut off the water just long enough to cut off the capped ends and install an escution and a 1/2 slip X 3/8 compression stop valve.

Plumbing is always run though the center of studs.


Last edited by joecaption; 03-24-2012 at 07:49 PM.
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Old 03-24-2012, 07:54 PM   #3
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Shut Off Valve Before Cabinets??


I'm running copper, but even with that, to install the shut off valve afterwards I would still need to shut the water off after the cabinets were installed, right?
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Old 03-24-2012, 07:58 PM   #4
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Shut Off Valve Before Cabinets??


Just use soldered caps on the hot and cold and leave your stub outs long so they can be cut off and still have room for the valves when you do the rough plumbing.
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Old 03-24-2012, 07:58 PM   #5
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Shut Off Valve Before Cabinets??


Just use capped stub outs for now---that will let you test the piping before the cabinets go in---

Then cut the stubs to length and install the shut offs.

If you can isolate the bar piping with shut off valves in the back room---you will be able to shut down that system without having to drain the whole house---when ever possible,isolate a system---any service needed and the whole house is still working.
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Old 03-24-2012, 08:11 PM   #6
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Shut Off Valve Before Cabinets??


Quote:
Originally Posted by joecaption View Post
Use Pex, where the ends of the runs are where it goes through the sheetrock
Not everyone uses Pex,some still have enough skill money and craftsmanship to use copper

Quote:
Originally Posted by joecaption View Post
Plumbing is always run though the center of studs.
Not true
As mentioned before just stub out your pipes and cap them and test,if you don't want to solder the valves on afterwards there are other methods such ad compression and god forbid "Shark-bite"style valves.
make sure your pipes are anchored good to keep the stubs from moving and pipes from banging.
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Old 03-24-2012, 09:45 PM   #7
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Shut Off Valve Before Cabinets??


Why not just pop some shark bites on there for the test? They sell little caps.

Last edited by Total Tool; 03-24-2012 at 09:50 PM.
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Old 03-24-2012, 09:54 PM   #8
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Shut Off Valve Before Cabinets??


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Why not just pop some shark bites on there for the test? They sell little caps.
Now why didn't think of that? I have a set of those for the 911 phone calls early in the AM

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