City water hookup and low pressure at the taps

The little cylinder ones: JUNK, even the "High Flow" or "High Capacity"

Sur-Flo (Built into some RV, which is not where you want it) is the minimum acceptable

I have both a 3/4 inch Watts that is old and damaged,, New it was fantastic but it now needs a rebuild (and some testing)

I have a brand new ZURIN 3/4 inch.. It is fantastic as well.

Even in parks which are already "Well regulated" I put it in line,, Just in cuss