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yep nath it completely starts up again not allowing the boiler to cool down at all got to be some kind of thermostat problem surely??

anybody got any ideas???

if all else fails dry off and seal with mastic..

hey, hope someone can help my boiler is 6yr old and is working but when the central heating reaches the room state temp. the boiler shuts off as normal but then just keep going through it's start up ignition procedure all the time? had a ch/dhw sensor fitted last year because the dhw stopped...