Shower – Water Pressure Home › Forums › Public Forums › General Plumbing › Shower – Water Pressure This topic has 1 reply, 2 voices, and was last updated 23 years, 9 months ago by Guest. Viewing 1 reply thread Author Posts 12 Apr 2001 at 4:22 pm #274866 MasterPlumbersKeymaster When we turn the water on in the shower we get very low pressure. Is there some kind of regulator in the plumbing itself? 13 Apr 2001 at 12:06 pm #290626 GuestParticipant two things, either the rose is clogged, or the jumper valve is jamming in the combination. 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