We moved into our 30 year old house in January. The pipe entering the
radiator in the lounge makes ticking noises when the heating is on, I guess
in tandem with the central heating pump running. The ticks are 1-2 a second
and it lasts for up to a couple of minutes. Really irriatating, as you can
hear it throughout the room.
Four months' back I also had a combi boiler fitted, and the pipes in the
room next door to the boiler also make the same kind of ticking noise. Again
same frequency and duration. In this case I think it may be that there's
some expanding foam around the pipes, that may be making the noise (your
thoughts?) but again, you ca hear it clear and loud.
What can be causing this? and what can I do to stop it?
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