I just caught video in link as it was just switching off.
I think you need to make sure whether it is the room stat that is sending a call for heat signal to the boiler and the boiler is correct in responding or the boiler is firing randomly which is another thing entirely.
OK so what temperature do you suggest?
It's what is in the house we are renting
So what was the answer?I will look at manual when I get home.
If you need to find a tradesperson to get your job done, please try our local search below, or if you are doing it yourself you can find suppliers local to you.
Select the supplier or trade you require, enter your location to begin your search.
Are you a trade or supplier? You can create your listing free at DIYnot Local