I have a water wall feature 10 meter high 3 meter wide. This is fes by a 22 mm pipe with a 22 mm pipe at the top of the wall horizontally with several small holes drilled in as to let the water just trickle down the wall/ What size pump do I need for this. Thanks
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Check with the manufacturer for size of pump. There are to many pumps of different capacities that can pump that high.

Chuck

Hi Jay and welcome to The Plumbing Page at AMHD.com.
Is this being supplied by a well or storage tank? If a well how deep is it? Back to you. Tom

Did you see it running already ? Did water really just "trickled" from that horizontal pipe ? I may be wrong but I see a flow in design. Please, let me know. Back to you. Milo