downtheroad wrote:
Check out this guy. He is a full timer and really knows his stuff when it comes to pressure regulators...
RV water pressure regulators...HERE
X2.  That's where I got mine and I couldn't be happier.  Good flow and adjustable pressure.  I have mine attached to a T that has a brass faucet on the other outlet.  I just screw the whole think into the hitching post.  The RV is plugged into the regulator and I still have an outside faucet to use.  Google Camco exterior faucet.  Unfortunately the faucets are plastic but they can be replaced with brass when they fail.  The T is the important part.