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Central Heating

My worcester boiler pressure rises to about 2.5 bar when the heating has been on

I have had a worcester-bosch combi boiler for about 17 years and the pressure which is normally just over 1 bar, after the heating has been on for some time the pressure seems to be working at nearly 2.5 bar but the boiler does not cut out. Is that normal for the pressure to be so high when it's working??

1 Answer from a MyBuilder Heating Engineer

Best Answer

Yes that's fine, it will safely work up to 3 bar, this is where the PRV will kick in and release pressure.


Answered 9th Dec 2014

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