My old valves were individual and widely spaced, so my installation required moving some things around, but if the holes in your surround are already close enough together that this unit will cover them, then the install couldn't be much simpler. It looks nice and I was very surprised by the quality feel. The valves operate smoothly and temperature control is good. Pressure from the various fixtures was quite good. There were no restrictors that I could find, so this will pretty much just depend on the pressure in your home. It is certainly not "low flow", which is great as long as you're not trying to save the world. I went through and tightened everything up prior to install. I didn't find anything terribly loose, but you really shouldn't trust the factory assembly quality on anything these days.
Roberto Colon 
Jeramy 
