The Efficient Home Forum

Half an hour, but it’s intermittent - most of the time the green light comes on and a second later the boiler fires. But sometimes the green light illuminates and….nothing. It does seem to have improved over the weekend, though.

Hi all - my first post here and apologies if this is a well-worn question. Our heating works some of the time just as it should - either on a timer set by the Honeywell digital display, or when I turn the valve on an individual rad. The water heating works perfectly too. However, I've noticed that ...