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Easy way to connect Pex piping to shut off valve

I had a plumber who roughed in a pool house for me and used Pex piping. Is there an easy way to attach shut off valves to the pex so we can install a toilet and a couple of sinks/ I have a customer who is really on my case because she has company coming in this weekend. My other plumber is no where to be found. Please help!! Ken

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  • KEN CHESHIER Jul 09, 2010

    Thanks for your excellent reply!

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Hi Ken. Yes you can add shut off valves to PEX. Go to this link to read and see exactly how it is done and what is needed to do the job. J.

http://www.mobilehomerepair.com/article11.html

Posted on Jul 09, 2010

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How do I set up the plumbing to convert a single bathroom sink to a double sink?


hot and cold supply is easy. You need to solder in a copper T-piece, and to that add a short length of copper pipe with an isolation valve and then connect that to a flexible braided pipe to the faucet.

Waste water not quite so easy. Have both P-traps fall to a cross pipe that goes to your existing waste.

A plumber could do the job in an hour and a half.

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Frankly that DOES NOT sound like a valve leak...

... but the alternative of taking the wall apart is pretty daunting.

The cartridge seems futile to me... but I easily done
done at small expense...

While you are at the PLUMBERS SUPPLY...
Pick up some of those SHARK-BITE couplers...
Easy on... easy off SOLDERLESS CONNECTIONS
(see video at bottom).

They make a job like your INCREDIBLY painless...
ALSO REMEMBER THERE are two sides to every wall...

Do pay attention... these work on COPPER, PVC AND PEX...!!

You don't always have to BREAK INTO the wall
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Has Leaking noise very audible on hotwater line but no flood in the house or outside the house, and the water meter records unusually high. Three certified plumbers checked the house but could not find...


First, find out if you have a leak.
Turn off all water faucets inside and outside.
Record water meter register with camera.
Wait several hours.
Record water meter register again, and compare photos.
If you have a leak, contact city water department and report leak so bill can possibly be adjusted.
Ask city water department what they suggest.

If you had certified plumbers look at problem, it would be a guessing game for internet plumber to start listing things.

My guess would be crossover on single-handled faucet that runs the hot water into cold pipe that is filling the swimming pool that is leaking. But you might not have a swimming pool.
http://waterheatertimer.org/Crossover.html

Another guess would be a leaking TP valve that drains directly into a sewer vent line.
But certainly the plumber checked the TP valve.
http://waterheatertimer.org/How-to-replace-TP-valve.html

Add a comment and say how the problem was solved.

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We have removed our dishwasher, we are not replacing it. The question I have is...."How do you cap of or plug up the old waterline that goes to the dishwasher?"


It all depends on what material your water line is made of and where you want to shut the water off at.

Under the dishwasher there is a threaded connection from the water line to the dishwasher and there is typically no isolation valve located there. You will have to follow the supply line back to where it ties in, typically it is feed from the kitchen sink water supply. Hopefully the plumber who installed the lines provided a local shut off valve under the sink, otherwise you will have to shut the water off at the main house supply.

Here is a couple of ways to cap the line off.

Copper - You can get a cap and solder it on, make sure there is no water in the line because it will not heat up enough for the solder to penetrate the joint. Use flux and lead free solder on the copper lines. When you are ready to replace, just turn the water off, cut the cap off, and install the necessary fittings to connect the dishwasher. If I was going to do this, I would install a valve and a braided stainless steel line for the dishwasher. This makes it a snap to reinstall. Any hardware store can supply these parts.

Plastic (PVC/CPCV) - same as above but use the proper cement rated for the type of plastic pipe.

PEX - You can buy a plug and a clamp ring, but you will need the proper crimping tool.

If you have a threaded connection, just go to the hardware store and buy a threaded cap.

If you need specific information, please update your question with more details, because I am just speculating what you have.

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1 Answer

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Very simple - call a Plumber. He will fix your plumbing problem, and any foreseen potential problems related to your water leak. He may also suggest replacing your 6 year old water heater. Of course ..... for a professional cost.
However, depending on your time, skills, proper tools, patience and luck, it's easy enough to perform yourself:
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2. Turn off the water supply to the water heater.
3. Attach a water hose to the drain faucet. ( a good time to flush sediment -calcium deposits)
4. Open a hot water faucet to vent (above the level of the water heater drain - kitchen sink)
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6. Install New pipes -3 wrap all male threaded ends with teflon Tap. Tighten securely - using 2 wrenches.
NOTE: Before refilling - you can turn on the water heater supply valve for a few minutes, to flush out any lingering calcium debris.
7. Shut off drain valve - remove hose. Shut off venting hot water faucet.
8. Turn on water supply valve to fill water heater.
9. Open a hot water faucet to relieve air pressure while filling - preferably the bath tub faucet, it doesn't have a screen that might clog.
10. When water flows without air - shut off tub faucet.
11. Look for leaks.
12. Switch the water heater Breakers on.
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These are just basic instructions - assuming you fill in the common sense and work safe steps.
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I would make a manifold of copper and solder each joint well with a Maxx gas torch.

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