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Combi boiler pressure gauge question

JayneG · 2010-03-17 10:24:33

Hello, Wonder if anyone can help me? Is it normal for the pressure gauge on our central heating system to go up and down? Sometimes, usually when the heating is not on, it goes down as low as zero, but increases up to around 0.5-1.5 of it's own accord when the heating is on. Am I right in thinking that if the pressure is…

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ronaldmacdonald Posts: 276 Forumite

18 March 2010 at 7:28PM

Ours does the same - goes down to 0.25 bar when off and upto 2/2.5 bar when on. It is confirmed as a faulty pressure guage which we are replacing.

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Combi boiler pressure gauge question

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