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Old 02-16-2012, 09:38 AM   #1
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Problem with new shower/tub install


I recently remodeled my bathroom and used Pex on all of the new plumbing. We installed a Moen valve, spout and shower head. I overlooked the part on the instructions about not using Pex after the valve to the head and spout. I understand that copper should be used. I understand this was a silly mistake and I now get some water from the shower head when running water from the spout. I am also getting a whistling sound from the spout when the shower is on. I can live with the first problem, but the second is VERY annoying. I tiled on top of schluter and grouted and sealed the tile, so opening it up is out of the question. Are there any solutions to my problem without tearing into the wall? Would adding pressure reducing valves to the incoming pex lines solve my problem? Any help would be greatly appreciated!!

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Old 02-16-2012, 09:51 AM   #2
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Problem with new shower/tub install


The pex to the shower head can stay but the pex to spout needs to be copper. No way around it

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Old 02-16-2012, 10:01 AM   #3
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Problem with new shower/tub install


Would removing the water saving washers from the shower head and spout decrease pressure? And why would a pressure reducing valve not work? Just curious.. Thanks
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Old 02-16-2012, 11:01 AM   #4
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Problem with new shower/tub install


The inside diameter of the pex is causing a restriction to the water flow. Adding a prv will only reduce the flow more. You need to enlarge the inside pipe diameter

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Old 02-16-2012, 11:03 AM   #5
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Problem with new shower/tub install


I removed the water restrictor from shower head and fixed the whislting from the spout! Still have a bit of water coming from head when using spout to fill tub, but I can live with that.
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Old 02-16-2012, 11:03 AM   #6
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Problem with new shower/tub install


Jason,
What's on the other side of the wall behind the shower control? Can you get to it and take a section of drywall out to change your shower head feed?
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Old 02-16-2012, 11:06 AM   #7
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Problem with new shower/tub install


I'm curious, how did you anchor the spout to the pex?

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Old 02-16-2012, 01:52 PM   #8
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Problem with new shower/tub install


Thanks for the replies. I used blocking behind the elbows and behind the valve and screwed it to the blocking. Going from the other side would almost be more difficult than just removing a few tile. The instructions said the pex was fine going to the shower head just not to the spout. I can live with a little water coming from the shower head as long as the high pitched noise is gone for good. I hate to leave it like that but I hate to cut out a section because I used Schluter-Kerdi on the substrate and think I would have a difficult time patching it with the 2" lap needed.
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Old 02-16-2012, 02:52 PM   #9
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Problem with new shower/tub install


you could try one of these


http://www.amazon.com/gp/product/B00...GR8W9KG99Y48A8
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Old 02-16-2012, 07:03 PM   #10
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Problem with new shower/tub install


Quote:
Originally Posted by jasongilliland View Post
Thanks for the replies. I used blocking behind the elbows and behind the valve and screwed it to the blocking. Going from the other side would almost be more difficult than just removing a few tile. The instructions said the pex was fine going to the shower head just not to the spout. I can live with a little water coming from the shower head as long as the high pitched noise is gone for good. I hate to leave it like that but I hate to cut out a section because I used Schluter-Kerdi on the substrate and think I would have a difficult time patching it with the 2" lap needed.
jason how far down did you put tub spout from center of faucet should be 6-8" or you will get water from shower head when using tub...
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Old 02-16-2012, 07:58 PM   #11
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Problem with new shower/tub install


Quote:
Originally Posted by DannyT View Post
That will keep the dribbles away
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Old 02-17-2012, 05:56 AM   #12
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Problem with new shower/tub install


How high a pitch is the whistling?

Would the addition of some harmonica music ease the tension while you are showering?

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