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

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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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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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