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Mend Vaillant 831 Boiler Tec Pressure

how can I fix my Vailant ecoTEC plus 831 boiler?

My eco TEC 831 is unable to maintain the pressure at 2 bars, it is 1 bar over and going into the red zone. Any solution please.

AL
December 2011
VaillantVaillant 831Heating, Home Heating SystemsBoiler Tec Pressure
The pressure vessel wants checking.. Pressure should be 0.75 bar empty not 2 bar !!!!

Steve
December 2011
Pressure vessel need recharge with cycle pump To 2bar with system drain out also look that by pass not blocked and pump need clean up

ltd
December 2011

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