My ferroli central heating boiler works fine for the hot water but keeps switching off on the central heating ! It isn't the timer as i have had a new one fitted .( Falcon boiler )
Usually the Ch thermister aka temperature sensor
They cost about a tenner and are 'wet pocket' which means you need to isolate and drain the water from the boiler. Instructions in the manual.
Slugbabydotcom
March 2006
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