I'm going to install a shower over the bath (there wasn't one there before),
So the question is can I cold feed the electric shower unit with 10mm pipe as apposed to the standard 15mm pipe, and would the 10mm pipe compromise the performance of the shower unit.

You're going to hafta be more specific then that in your question.

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I'm going to install a shower over the bath (there wasn't one there before),

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You haven't don the conversion yet?

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the question is can I cold feed the electric shower unit with 10mm pipe as apposed to the standard 15mm pipe,

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OD or ID? You want to cut the volume almost in half? Why? And please use inches and not mm.
Please post back with more details. Tom

Actually it will be more than one half Tom, over 55% to be more specific.

Thanks Harold. I was just using general terms

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Originally Posted by speedball1

You're gonna hafta be more specific then that in your question.
You haven't don the conversion yet?
OD or ID? You want to cut the volume almost in half? Why? And please use inches and not mm.
Please post back with more details. Tom

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OK, 1/2 inch instead of 3/4 ? Will it effect the performance of the shower unit.

If you install 10mm pipe than you will have very little volume ( water flow). I suggest you go at least with 15 mm pipe or larger . Back to you. Milo

Hey Jane,
You posted,

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OK, 1/2 inch instead of 3/4 ? Will it effect the performance of the shower unit.

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But this wasn't the measures you gave me in your first post.

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with 10mm (10 mm= 0.394 inches. Did you mean 9.53mm which would=3/8ths. Inches)? Pipe as apposed to the standard 15mm(15mm=0.591 inches. Did you mean 19.05mm which woulf= 3/4" or 15.88mm whicyhwould= 5/8ths inch pipe

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Your numbers don't add up. Can you repost and clarify this for me. Thanks, Tom

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Originally Posted by Milo Dolezal

If you install 10mm pipe than you will have very little volume ( water flow). I suggest you go at least with 15 mm pipe or larger . Back to you. Milo

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Thank you Milo you have answered my question,I shall use 15mm pipe.