The Dunkirk Empire II ESC Oil Fired Steam Boilers are available in 9 models with heating capacities ranging from 79 to 307 MBH and efficiencies from 81 to 85% AFUE. The ESC0365 which has a capacity of 79 MBH and ESC4100 which has a capacity of 120 MBH have an efficiency of 85% AFUE making […]