Hi, I have a Moen model 84851 two handle Touch Control faucet. Just
recently when either the hold or cold knob is turned about a 1/8 turn, a
thump is heard. If I touch the Polybutylene tubing at the same time, there
is a definate thump noise in the tubing. (It is difficult to describe).
Once it gets past that initial spot, there are no more noises even if the
handle is turned on full. I did clean the aerator.
Is this a kitchen faucet by chance with a spray wand?
If so, the thump originates in the "diverter" valve
which is buried under the spout assy.
The wand may not be shutting off tightly or the diverter
could be worn out.
Moen may be generous in helping with parts if you call them.
Hi, Thanks for your reply. I should of mentioned that it is a bathroom
faucet. I don't know if there is a "diverter" in these ones or not, but I
do think it is something common to both hot and cold sides.
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