second shower Home › Forums › Public Forums › General Plumbing › second shower This topic has 1 reply, 2 voices, and was last updated 23 years, 10 months ago by Guest. Viewing 1 reply thread Author Posts 22 Mar 2001 at 5:22 pm #274797 MasterPlumbersKeymaster I would like to install a second shower head & control in our shower, if I use the H & C supply for the lav to supply the second shower head & control will it affect the first shower volume? Thanks in advance! 25 Mar 2001 at 3:35 pm #290488 GuestParticipant Turn on your shower and leave it running. Next turn on the lav. Do you notice a difference? Also test the temperture difference. Author Posts Viewing 1 reply thread You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In