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WHAT DOES MEAN RED LOCK OUT LIGHT FOR BIASI 24S BOILER?

BOILER KEEPS ON & OFF ITSELF?
WHAT THE CENTRAL HEATING PRESSURE SHOULD BE?

D. PATEL
January 2010
Heating, Home Heating SystemsRed Lock Pressure
not sure what the red light means but the pressure should be 1.5 to 2.0 bar

dr vox
January 2010

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