Well could be the mountings slipping as it expands I suppose.
Brian

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"Lieutenant Scott" wrote in message
newsp.wa7g3e0dytk5n5@i7-940...
On Thu, 15 Mar 2012 05:21:29 -0000, Brian Gaff
wrote:

Yes a place I use regularly has a radiator like that but its a rushing
noise
not a whistle. we call it Hissing Sid.
I know its childish...
Brian

Is there a way to stop a radiator going bang bang bang (well quieter than
a bang) when it heats up? Only one of them does it and it's the same
model of radiator, and has the same model of valves, as the rest. The
only difference is it's always the one that needs bleeding - the rest
never do. It still makes the noise immediately after bleeding.

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