High pressure I have two kohler shower faucets in my house and over time they have both got where they release higher water pressure than when they were new
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Are you sure it's not just that the shower heads are getting dirty from calcium build up, thus reducing the diameter of the holes in the head, which will in turn cause spray to come out at higher pressure. ( same idea as holding your thumb over the end of a garden hose) Try removing and either replacing head, or soak it overnight in C.L.R (available at any hardware store.) and clean it good and try it again.
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Are you sure it's not just that the shower heads are getting dirty from calcium build up, thus reducing the diameter of the holes in the head, which will in turn cause spray to come out at higher pressure. ( same idea as holding your thumb over the end of a garden hose) Try removing and either replacing head, or soak it overnight in C.L.R (available at any hardware store.) and clean it good and try it again.