Ok, great, so as per your first reply I can "relax" lol. Thanks for the help, both of you!
Ok, thanks for the information. I am concerned more with the flow rate, unless pressure is the bigger factor. I have in my head that the narrowest passage for the water becomes the maximum flow rate for the system or is that incorrect? So, if my system is 1" but I have that fitting that is capable of 3/4" flow rates, down line from that point wouldn't the maximum flow then be equal to the maximum flow of a 3/4" system? I calculated the flow rate before the PVB (the system is installed only to th...