glowworm combi no hot water

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    • #278075
      Avatar photoAnonymous

        on occasion i get no hot water from this combi boiler.
        but if i put the heating on for a few minutes the hot water then starts to work.
        on one occasion you could hear a microswitch flicking on and of and the burners switching on and of.
        could it be the pressure switch?

      • #297650
        Avatar photoGuest
        Participant

          try replacing the diapragm washer in the diverter valve. The washer costs a few pound and takes between 1/2 hr and 1hr to replace. Be careful of the springs inside !!!!!!!

        • #297651
          Avatar photomarklivingstone
          Participant

            thanks for the answer to this problem it worked a treat

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