Central Heating pipes banging


Postby g tether » Sun Feb 03, 2008 11:18 am

After putting the central heating on, after a few minutes the pipes start to bang, throughout the time the heating is on it gets less noisy, can you suggest a reason for this and how it can be cured. It has been drained and refilled and vented.

We have a combi boiler

Thanks
Garry
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Postby dcc » Sun Feb 03, 2008 4:20 pm

how long has it been like this for? have you recently fitted some TRVs?
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Postby g tether » Mon Feb 04, 2008 5:38 pm

It has been going on for a few weeks, the only work we have had done is a replacement pressure relief valve and a new O ring on the 3 way diverter valve, the combi is a Valliant turbo max 828E, it was fitted on the 28/08/2000.

What is a TRV and would I require one to be fitted to orrect this problem

Thank you for your quick response.

Garry
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