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home Fix label Heating label_important Home Heating Systems category Glow-worm

The pressure guage on the bolier has gone to maximum, how can I get it back?

I have just returned from a holiday to find my boiler making a weird sound and the pressure gauge is at 4 (which is the maximum).
It is a glow worm combi boiler.
Is there something I can do to reduce the pressure?
Sarah, October 2009
home Fix label Heating label_important Home Heating Systems category Glow-wormdone
Get the expansion vessel . Will need to be pumped up

John

John, October 2009
Its curious that the pressure didn't release at 3 bar - this is the usual. Reduce pressure by bleeding water off at the radiators - it will take a while but its the most boiler friendly way. Make sure the filling loop isn't slightly open to prevent it pressurising again.

John, October 2009
link Click here to see other fixes for Glow-worm combi.

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