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  1. R

    Vaillant 824 ecotech plus pressure in expansion vessel.

    Will do thanks.
  2. R

    Vaillant 824 ecotech plus pressure in expansion vessel.

    Checked out the filler loop flexi hose connections and valves .CW knob has no leaks when turned off but Hw flow end leaks when I take off the flexi hose (leaks from the boiler side).Is this significant or just something else to change at some point? If its not going anywhere as the CW side is...
  3. R

    Vaillant 824 ecotech plus pressure in expansion vessel.

    Many thanks for the speedy response .Willtry what you have suggested.
  4. R

    Vaillant 824 ecotech plus pressure in expansion vessel.

    I have recently had to have the diverter valve changed on the boiler (originally fitted 2007)and then it was found that the pcb was faulty too - apparently a common thing in conjunction with the diverter valve.Now the pressure on the gauge keeps rising to 3.2 bar and so I asked the plumber to...
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