I use a 40 psi reg when I hook up to city water. The pressure is always low to take a good shower.When I use the water pump in the RV It is a lot better. My question is if I am using the RV pump and h...
My water pump pressure switch is set at 55 PSI from the manufacturer so I bought a Watts adjustable regulator and a pressure gauge and set the pressure from the city water inlet to 55 same as the pump. Have never had much luck with the $10 regulators that look like a short piece of pipe.