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Why do your BTU and kW ratings for radiators differ to other website listings?
The BTU and kW ratings are calculated by the manufacturers using different Delta-T values.
We list our radiators using the current Delta-T50 regulations.
Others may have the older Delta-T60 regulation BTU and kW ratings shown, which will inflate th ... See More
Delta-T (ΔT)
Delta-T (ΔT) is used to calculate BTU and kW ratings for radiators.
The Delta-T number is the difference between the ambient air temperature and the water temperature inside the radiator.
In the UK we follow the current European regulati ... See More
