TECHNICAL DATA - Page 5
Bermuda Boiler 57/4
Bermuda Boiler 45/4
Sedbuk Declaration For Bermuda
45/4 and 57/4 Boilers
The seasonal efficiency (SEDBUK) are
45/4M 72.7%
45/4E
76.8%
57/4M 71.8%
57/4E
75.8%
This value is used in the UK
Government's Standard Assessment
Procedure (SAP) for energy rating of
dwellings. The test data from which it
has been calculated has been certified
by 0086.