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Hi Just moved into new house, I have an Ariston ACO system boiler which is around 6 years old. when the timer is turned off (say middle of night) the boiler keeps turning itself on for 30seconds- 1 minute, then turn off again, and it repeats this every 10 minutes. This is very annoying as...

hi I am buying a house, and when i checked the cental heating system today, the boiler was. not working, it is a Ariston ACO, showing error code A03, there was also water dripping from the bottom left copper pipe (very slowly). quick look on google indicates boiler shut down due to over...