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Thanks for that, sorry I could have helped it but didn't.

You can do it all if you know what pressure and flow your water source produces and what the pressure and flow rating for your heads add up to be. The manufacturer will tell you the flow rating for the head type for particular pressure levels. Do that homework and you are there. If you need more help just come back here and ask. Do not exceed 80% of your system pressure and flow. JMHO. Aloha.