Water pressure to 2nd floor shower
Hello plumbing experts! Here's a question about water pressure and heat:
We have several fixtures tapped into both hot and cold water lines PRIOR to the bathroom fixtures. The problem, specifically, is that if someone is showering and someone simultaneously uses the kitchen sink, ie to wash dishes with warm water, the shower user suffers a very cold shower--with poor water pressure.
Is there a way to reconfigure these pipes--specifically the kitchen sink and the bathroom fixtures line so that the shower pressure/hot water is not interrupted so much when someone uses the kitchen sink? I know how to do the work (the plumbing w/copper or pex), it's the planning I need help with! Please find a rough diagram of our setup below and let me know if you need more detail.
dave From Drop Box