I installed a Kohler HydroRail R-Beam (K-45212) with an 8" Round 2.5 GPM Rainhead (K-13692) and a Forte 2.5GPM Hand Shower (K-22165). The water pressure is just over 60psi. Overall a solid fixture and I like it. However when the diverter is up for the RainHead the HydroRail vibrates just enough...