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Mend Vaillant Top Up Central Heating Pressure Combi

How do I top up the central heating pressure in a Vaillant Combi Boiler?

Hi

We have a Vaillant COMBIcompact VCW GB 240 H boiler. How do I top up the central heating pressure?

Thanks for any help.

Michael Francis
March 2011
VaillantHeating, Home Heating SystemsTop Up Central Heating Pressure Combi
Hi

It dfoesn't have a filling loop - is there a valve I should be looking out for?

Michael
March 2011
Look for a filling loop near the boiler, it will look something like the one on the link, top the boiler up to approximately 1 bar whilst the system is cold.

http://www.cheapboilers.com/images/product/filling-loop.jpg

Carefree
March 2011
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