Hello all, I have a quick question I can't seem to find a difinitive answer for. I am running a shower with two R22000 valves, each controlling a showerhead plus an additional head. On one, there will be a rainshower, and the other will be a hand shower. I am trying to stick with 1.75GPM fixtures if possible but I don't want to paint myself in a corner if I ever want to use a 2-2.5GPM head. I have 3/4 PEX B for the "trunk" of the system coming off the supply from the road, and into the tankless WH. The question is: Do I need to run 3/4 PEX supplies to the valve, or will 1/2 be sufficient? I can use either PEX-A or B, if that matters. If I need to go to PEX-A, I can do that at the trunk feeding the WH.
Thanks!
Thanks!
