This is the setup I built for my 22' CC
I used one old Power Products filter head that I bead blasted and painted and one new Sierra head with Sierra 18-7945 ten micron filters @ $5.00. This is a new Sierra filter that is supposed to capture all the water, but like all filters that are doing their job - they will plug and not pass fuel. I installed a three way valve, so when the first filter plugs, all I have to do is change the valve to the other, new filter. How do I know when to change?
1-The engine begins to slow down
2-The fuel line bulb begins to collapse
Racor has a vacuum gauge that screws into their filter, but it is $$$ and I am cheap.
BTW, I have two new Sierra stainless steel water seperator/filters with the sight glass that I am not going to use. They are available at my cost + tax, about $100 each.