Thats a valid, but irrelevant question.
That chart is designed for sizing rads on the basis of the current flow temp of 70 C.
It therefore is irrelevant what kind of boiler but takes into account the lower flow temperatures of many condensing boilers.
Tony
That chart is designed for sizing rads on the basis of the current flow temp of 70 C.
It therefore is irrelevant what kind of boiler but takes into account the lower flow temperatures of many condensing boilers.
Tony
