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Mend Vaillant Turbomax Boiler Pressure Valliant

water pressure keeps rising, on valliant turbomax?

water pressure keeps going up,have tried bleeding it down to 1 bar,but still keeps going up it is now nearly 3 bar.

Henry Adams
May 2008

Vaillant Vaillant Turbomax Heating, Home Heating Systems Boiler Pressure Valliant

remove filling loop, if pressure rise stops, then you found your problem.

If it still rises (when heating is off & cold) then you may have a leak in the dhw heat exchanger across the plates, it will need to be replaced

T
May 2008

expansion vessel has lost its charge or needs replaced or filling loop is letting by

regards

steve

steve
May 2008

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Vaillant Turbomax: High Water Pressure - Fix