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Mend Alpha 240 eco Heating Pressure Boiler

Alpha 240 eco pressure failings?

My boiler vents water overflow within minutes of ignition.Top water up but soon vents out. Been told to inflate bladder, but to what psi and should boiler be empty to do this or do i fill boiler & rads before the bladder.Would like to try & eliminate this course of action before paying out to someone else to fix a major problem.

Martin
November 2010
AlphaAlpha 240 ecoHeating, Home Heating SystemsHeating Pressure Boiler

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Alpha 240 Eco Boiler: Water Overflow Issue