When I first turn the faucet on in the kitchen, it "jumps" slightly, as if
the water had been shut off completely and then turned back on (although
not nearly that bad). Doesn't seem to happen when I turn the water on very
slowly though. And this problem doesn't happen in the bathroom. Does
anybody know what could be causing this? I already don't have the greatest
water pressure in the kitchen (even though I have the valves under the sink
open as much as possible), so perhaps the "jumping" problem related to
this. Thanks for your input.
On Sun, 28 Mar 2010 16:40:13 -0500, email@example.com (Dennis
If the faucet actually moves, it may not be secured properly, or if
it's older, the seals may be worn giving it a little play. When you
open the faucet and the water starts moving in the pipe, it will move
anything that isn't secure and tight, especially where it changes
direction or reaches an obstruction, like the valve seat.
If there's a lot of slop in the faucet spout, you may be able to
replace the seals, or tighten it, depending on the style. A lot single
handle kitchen faucets have a big nut under the top handle that holds
the spout on, you can try tightening that if your style fauce has one.
Often the seals on the spout are big o rings that wear over time as
There could be air trapped in the system somewhere or the main stop
valve could be worn. See if there's a noise comes from it when you
operate the faucet.
The air problem seems likeliest if your water pressure is low.
I tried lowering the pressure considerably via the valves (both hot and
cold) and that seems to have fixed the "jumping" problem. It doesn't seem
to make that much difference because like I said the pressure wasn't all
that high with the valves wide open.
I may get in touch with a professional plumber and see what he suggests as
far as getting rid of the trapped air or replacing the pipes under the
house to increase the pressure (the irony is the local water dept. happens
to have a tower on a hill right behind my home!). Thanks again everyone for
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