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-   -   Problem with new shower/tub install (http://www.diychatroom.com/f7/problem-new-shower-tub-install-133912/)

jasongilliland 02-16-2012 08:38 AM

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!!

TheEplumber 02-16-2012 08:51 AM

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

jasongilliland 02-16-2012 09:01 AM

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

TheEplumber 02-16-2012 10:01 AM

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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jasongilliland 02-16-2012 10:03 AM

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.

firehawkmph 02-16-2012 10:03 AM

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?
Mike Hawkins:)

TheEplumber 02-16-2012 10:06 AM

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

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jasongilliland 02-16-2012 12:52 PM

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.

DannyT 02-16-2012 01:52 PM

you could try one of these


http://www.amazon.com/gp/product/B00...GR8W9KG99Y48A8

ben's plumbing 02-16-2012 06:03 PM

Quote:

Originally Posted by jasongilliland (Post 855071)
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...

TheEplumber 02-16-2012 06:58 PM

Quote:

Originally Posted by DannyT (Post 855117)

That will keep the dribbles away :thumbsup:

cleveman 02-17-2012 04:56 AM

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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