It is odd that it takes an inconsistent amount of turning to get the pump to "click" when turning that pressure set screw clockwise. For example, it took me 4 full turns to hear the click from wherever it was set when shipped, then I turned it back 1 full turn. So I thought maybe I should test it again to ensure it is at the right spot. This time it took 2.5 turns to hear the click! I again, turned it back 1 full turn and left it there. I do have a cheap pressure gauge on one of the ports, but the needle vibrates when the pump is on making it hard to read accurately... (sigh)
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