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worcester bosch highflow400?

Hi Ian many thanks for your answer to my question ,will i have to drain the pressure out of the system first before i repressure the expantion vessel or can i do it with pressure in system ,is half a bar the correct pressure for expantion vessel.Can i use a bike pump to do the job.

Dave
October 2009
Worcester BoschWorcester Bosch Highflow 400Heating, Home Heating SystemsWorcester Highflow 400
system needs to be drained and drain open while re-pressurising. normal footpump will do the job, usually 0.8 - 1 bar is correct pressure.

Ian
October 2009

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