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dave6x · 02-02-2010, 10:26

I agree with Altis that it may be something loose in the radiator that is oscillating with the water flow.

I had a similar sort of tapping noise from my kitchen radiator for ages. Finally I shut down all the other radiators in the system then fully opened both valves on the kitchen radiator and let it pump round for a few minutes, this seemed to move whatever was tapping and when the system was operated normally again the tapping hasn't recurred. Maybe not the best solution but it worked for me!

02-02-2010, 10:26	#19
dave6x Inactive Join Date: Nov 2005 Location: Andover, Hants Services: VM BBL 3Mb> 10Mb> 20Mb> 30Mb> 50Mb> 70Mb Posts: 732	Re: 'Tapping' Radiator I agree with Altis that it may be something loose in the radiator that is oscillating with the water flow. I had a similar sort of tapping noise from my kitchen radiator for ages. Finally I shut down all the other radiators in the system then fully opened both valves on the kitchen radiator and let it pump round for a few minutes, this seemed to move whatever was tapping and when the system was operated normally again the tapping hasn't recurred. Maybe not the best solution but it worked for me!