F25 is explained on page 49 of the Installation Manual.
Sorry to be a pain, but which bedroom?Ive checked all 9 rads and only 1 in the bedroom has a single fin. As far as I can see none of the others have any fins......
How old, approximately is the house? Probably quite old from the type of rads installed.Ive just had a quick look at the link you gave and its come out at 13.6KW. Are you saying that if we were to add more rads or upgrade the existing ones then that will help? We are having some work done downstairs which includes adding a radiator in the kitchen and a towel rail in the downstairs bathroom......will this help?
When "The Gas Board" was a monopoly, gas was cheap and insulation and energy efficiency were unknown.The house was built in approx 1970.
Yes. It's just a case of pressing a few buttons on the boiler, as explained on pages 49 and 50 in the Installation Manual.Is adjusting the output to the boiler something I am able to do or should I get somebody in to do this?
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