Adding rain shower head

1913 Views 5 Replies 5 Participants Last post by ktkelly, Feb 25, 2016

rodsteryz

Discussion Starter · Feb 24, 2016

Hey all, I am redoing my main shower. I have 1/2" supply lines to the control valve. I am wanting to add a rain shower head on a 2nd line and keep the existing shower head also. Will the 1/2" supply be large enough for both heads? I was also going to install a valve after the control valve so one head could be shut off if both were not being used at the same time.
Thanks

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joecaption

· #2 · Feb 24, 2016

A 3/4" line would give you almost twice the flow of a 1/2" line, low flow, low pressure.

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WhatRnsdownhill

· #3 · Feb 24, 2016

rodsteryz said:
Hey all, I am redoing my main shower. I have 1/2" supply lines to the control valve. I am wanting to add a rain shower head on a 2nd line and keep the existing shower head also. Will the 1/2" supply be large enough for both heads? I was also going to install a valve after the control valve so one head could be shut off if both were not being used at the same time.
Thanks

the control valve will only give so much gpm flow regardless of supply lines to it..does the control valve have 3/4 taps on it? whats the rated gpm?

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ktkelly

· #4 · Feb 24, 2016

rodsteryz said:
Hey all, I am redoing my main shower. I have 1/2" supply lines to the control valve. I am wanting to add a rain shower head on a 2nd line and keep the existing shower head also. Will the 1/2" supply be large enough for both heads?

Won't be ideal, but yes it will usually work just fine.

I was also going to install a valve after the control valve so one head could be shut off if both were not being used at the same time.
Thanks

Just did this exact same thing with 1/2" lines at a beach house, and it works just fine. Yes, there is a noticeable loss of output when both are on, but it's not the end of the world.

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Ghostmaker

· #5 · Feb 24, 2016

I would add a another valve so you can control which is on. The rain shower or the shower head.

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ktkelly

· #6 · Feb 25, 2016

Ghostmaker said:
I would add a another valve so you can control which is on. The rain shower or the shower head.

I'll agree with this. Even though the boss lady said she didn't want it, I wish I had.

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