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-   -   Shower head Leaks - pex piped (http://www.houserepairtalk.com/f33/shower-head-leaks-pex-piped-11411/)

rbliss 05-25-2011 11:14 AM

Shower head Leaks - pex piped
 
I installed pex water lines to bathtub including shower head connection. When water is turned on shower head leaks even though diverter valve is not pulled on. Is there anyway to correct this problem?

Redwood 05-25-2011 03:19 PM

The tub spout cannot be plumbed in Pex.

The PEX has a smaller inside dia. than copper and brass pipe so the increased back pressure causes water to rise up to the showerhead.

rbliss 05-26-2011 12:57 AM

Thanks, appreciate the feedback. Its really stupid that they manufacture the pex showerhead fitting but no warning instructions in the shower controls advising not to use pex to connect the shower. thanks again.

Redwood 05-26-2011 09:27 AM

Delta & Moen have that warning in their instructions, I don't know about other manufacturers.

The Shower can be connected with PEX but the higher flows to the tub spout create a back pressure problem causing water to rise up the shower riser and drip out of the showerhead.

rbliss 05-28-2011 11:24 PM

Quote:

Originally Posted by Redwood (Post 57324)
Delta & Moen have that warning in their instructions, I don't know about other manufacturers.

The Shower can be connected with PEX but the higher flows to the tub spout create a back pressure problem causing water to rise up the shower riser and drip out of the showerhead.

Hmmmn....one day I will read the instructions...and maybe ask for directions when I get lost in the car...lol. Resolved the problem by putting a on/off valve on the shower head. wont make that mistake again.

WhiteTiger 05-29-2011 08:09 AM

Quote:

Originally Posted by rbliss (Post 57317)
Thanks, appreciate the feedback. Its really stupid that they manufacture the pex showerhead fitting but no warning instructions in the shower controls advising not to use pex to connect the shower. thanks again.

Well the manufacture of the tub and shower valves do warn you. Here are two different faucet manufactures instruction manuals. I took a picture off the warnings from. Do not feel to bad I know lots of plumbers that have made the same mistake. The only difference is they corrected their mistakes properly instead of a band-aid type fix.

http://i7.photobucket.com/albums/y29...ntructions.jpg

http://i7.photobucket.com/albums/y29...tructions2.jpg

Redwood 05-29-2011 10:11 AM

Quote:

Originally Posted by WhiteTiger (Post 57445)
Well the manufacture of the tub and shower valves do warn you. Here are two different faucet manufactures instruction manuals. I took a picture off the warnings from. Do not feel to bad I know lots of plumbers that have made the same mistake. The only difference is they corrected their mistakes properly instead of a band-aid type fix.

Yep! Those are the Delta & Moen instructions

WhiteTiger 05-29-2011 11:17 AM

Quote:

Originally Posted by Redwood (Post 57448)
Yep! Those are the Delta & Moen instructions

Good eye there. Grohe, Kohler and many others have the same warning. Just did not want to go digging for the instructions.

Redwood 05-29-2011 06:16 PM

Pretty much any mixer that has a diverter in the tub spout or, between the mixing chamber and the tub spout will carry that warning.

The type that basically just shut off the tub spout.

Ones that have a selector valve usually will not have a problem.

WhiteTiger 05-29-2011 06:21 PM

Quote:

Originally Posted by Redwood (Post 57464)
Pretty much any mixer that has a diverter in the tub spout or, between the mixing chamber and the tub spout will carry that warning.

The type that basically just shut off the tub spout.

Ones that have a selector valve usually will not have a problem.

Agreed, but I have a feeling most here will not attempt to install the ones with the selector, since it is not a typical big box store valve.


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