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Size of pipes for plumbing Aqualisa shower

Postby Accountantbytrade » Fri Aug 28, 2020 8:28 am

Hi All,

Thank goodness its Friday!

FIrst time posting but long time user and great tips and help by everyone.

I have started to redo our family bathroom and am going to put in an aqualisa smart shower above our bath. I am looking to chase the pipes into the wall but I had a question on the size of pipes needed. Our bath has 22mm fat pipes which was what I was going to chase up the wall to the loft and the new aqualisa shower/bath filler. Does anyone know if they need to be 15mm pipes or can I use 22mm (I would prefer to use 15mm if possible). If I go from 22mmm to 15mm will it reduce the flow rate I have in the bath? Ultimately I am trying to work out how deep to chase the pipes in as I have not got a lot of room.

Thanks for your help.
David
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Postby stoneyboy » Sat Aug 29, 2020 9:51 am

Hi accountantbytrade
If you are on mains fed hot and cold 15mm will be OK if you are on gravity fed then you will probably need 22mm.
Regards S
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Postby Accountantbytrade » Tue Sep 01, 2020 1:20 pm

Thanks for the response. We are mains fed and the pressure is good so will stick with 15mm.

Cheers,
Accountantbytrade
Rank: Labourer
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