On Sep 4, 2020, at 2:00 AM, Craig Briggs via groups.io <sangaris@...> wrote:

Not sure what your "green zone" translates to in bars as I have a gauge with numbers and 60 bars +/- is where these operate (actually I usually get good tds at 850 psi / 58 bars). These pumps typically deliver up to 69 bars / 1000 psi, which would be a fine pressure at which to test.
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Craig - SN68 Sangaris, Tropic Isle Harbor, FL