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pressure rises when heating rises?

pressure rises from 1.5 bar to nearly 3.0 bar when heating running but returns to 1.5 bar when cool

chris
January 2014
Heating, Home Heating SystemsPressure Rises Heating Rises
Oh no it doesn't, the pressure rise should be about 0.5 bar its more likely to be the expansion vessel that needs recharging or its faulty

toptrish
January 2014
Yes that is how it works

A1
January 2014

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