Came out today for a Dunkirk boiler not operating. Model #Bw1aan000105abaa, serial #4100v04737. Upon arrival I found the system calling for heat but there was no heat. Upon inspection I found that the system was not receiving power. I found the emergency shut off switch at the top of the stairs in the off position. I flipped it back on and the system started right up. The system is operating properly at this time.