sounds like the thermostatic rad valves are on the wrong way, have a look at them and see if there's an arrow
Thanks John, but why only this bedroom make bigger noise and even the vibration and other rooms much less noise and no vibration?
because the thermostatic radiator valves are starting to shut down after that amount of time as the room is heating up (they work on air temp)
when they start to shut down that's when they start to vibrate as the water is passing through the valve in the wrong direction.
you'll need to swap the valve around, replace them, or as a temporary measure remove the head on the valve
Thanks John, but why only this bedroom make bigger noise and even the vibration and other rooms much less noise and no vibration?
because this is the only rad valve that is on the wrong way round?
Thanks John, but why only this bedroom make bigger noise and even the vibration and other rooms much less noise and no vibration?
because this is the only rad valve that is on the wrong way round?
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