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Mend Boiler Pressure 25

reduce ptessure in boiler?

the pressure is around 2.5 on the boiler pressure gauge how can i reduce it to nearer 1
boiler is a C%M CALYDRA100

frank
November 2010
use drain valve on system or if you can't find do it slowly via air bleed valve on any radiator

deano
November 2010
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