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      11-08-2012, 06:22 PM   #14
gIzzE
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Drives: Mercedes ML, F25 X3 and 2.8i Z
Join Date: Apr 2006
Location: Norfolk, UK.

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Quote:
Originally Posted by briers View Post

It's a sealed/unvented system too - but I think there is air in there as boiler water makes trickling noise

Thanks
Sure it is not just crap in the heat exchange?

You put any cleaner in it??