ah well nevermind one of these days you all learn mwahaha (probably not as its quite obvious by the data that im wrong as modern wb are not low flow enough)
I worked out pumps in loops last night but im going to do the math and do some back of the envolope calculations first to make sure im right. Basic assumption is that a pump will always mean that water will recirculate around the loop. When the water exits the pump its sees two resitances back around the loop and trhoguh the rest of the system. There is a caveat though i think as the pump itself is the only thing creating enough dp to pump it around the loop as opposed to all the other pumps in the system.
Nice to hear theres a new reviews about.
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