Ariston combi boiler on all the time

boatspanner · 26 Sep 2003

Please help. I have a Ariston Euro combi boiler about 2 years old. I have rung several gas fitters for help and when they find out combi boiler dont here from them again. Any way when i turn the power on to the boiler the central heating will come on its own even in hot water mode i have replaced the diaphram and springs in the dhw valve checked the micro switch at the end of dhw valve also have changed the pcb but to no avail.
Can anybody point me in the right diretion

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Ariston combi boiler on all the time

boatspanner

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