I have a Grohe shower with a mixing tap (sorry if this is not the correct English word - what I have is similar to this, with a fixed shower head and a removable one).

It works fine for about 5 years now but since recently I started to hear an extra sound when taking my shower. I think this is best described as a "humming sound", very different from the one the falling water makes. It is faint but I can hear it from outside the bathroom, when I do not hear the falling water anymore.

It looks like the sound ("music") water would make running though a loose seal (wildly guessing)

What can be the source of such a sound in the case of a mixer tap?

I am sure this must be the tap because I can hear the sound independently of the shower head that it used (they are both connected directly to the tap)

  • Someone who doesn’t know the words to the song? – Kris Nov 3 '20 at 1:30
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    Yes, mixing tap makes good sense, and your hypothesis of a loose part is likely correct. A washer could be loose... but another possibility is excessive pressure, more likely if you have your own well rather than use a community water supply. See ehow.co.uk/facts_5017210_causes-water-pipes-hum.html – DrMoishe Pippik Nov 3 '20 at 5:47

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