Help - Pressure Problem with Combi Boiler

2 Dec 2004
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United Kingdom
Hi there,

Hopefully somebody can help.....

I've got a Vokera Combi Boiler and when I put the heating on - especially on colder nights the pressure drops and the pilot light subsequently goes out making the radiators go cold and I can't get hot water. As a quick fix I have been increasing the pressure more or less on a daily basis to compensate until I can get a plumber - busy time of year!!

Can anybody suggest what they reckon the problem may be?

Thanks in advance
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Check the pressure relief pipe whichgoes through the wall. If it's wet,
Expansion (= pressure) vessel needs recharging and the Pressure relief valve needs replacing.

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