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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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Vaillant 824Vaillant 828eVaillant 837Vaillant ecoVaillant eco PLUSVaillant eco tec pro 28Vaillant ecoMAXVaillant Ecotec 831Vaillant Ecotec Plus 418Vaillant Ecotec Plus 428Vaillant ecotec plus 824Vaillant ecoTEC plus 832Vaillant ecoTEC plus 837Vaillant ecoTec pro 28Vaillant Turbomax 242Vaillant turbomax 824eVaillant turbomax plusVaillant VCW GB 242 EHVaillant VCW T3WVaillant VUW 242 E

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