Problem: hearing clicking metal noise when water-based heating is on. Because this sound travels so quick, it was very hard to find the spot, but finally found it - right below the outlet.
Black pipe in the back: water-based heating.
The three pipes at the front: electrical.
Note that the middle pipe is not straight - maybe a problem during construction? instead of side-by-side/aligned with the other two pipes, the middle pipe has a bend going a little behind. It is touching (ou super close to) the heating pipe and causing the clicking noise as the heating pipe expands/vibrates.
What do you guys suggest? For example:
Just putting something (insulation) between the middle electrical pipe and the heating pipe to stop the clicking noise?
Cutting the middle pipe and installing a Z join (not sure if there is enough space).
All ideas are welcome. Thanks!