ariston combi boiler no hot water?

ariston euro combi A/23mffi-A/27 mffi the boiler does not get hot water whether the heating is on or not you used to be able to get hot water with heating on but now cant get hot water at all please can you give me some advise thankyou
dee, May 2005


done
combi not filling with much water.?

mark, August 2010
it maybe the diverer valve but check the hotwater flow switch which is located on the flow group, as the diaphram splits & stops the flow switch from working

ellie, July 2009
it will be the diverter valve that is duff, sorry you need a plumber

aa, May 2005
link Click here to see other fixes for Ariston.