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home Fix label Heating label_important Home Heating Systems category Vaillant

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
home Fix label Heating label_important Home Heating Systems category Vaillantdone
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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