These steam boilers consist of self cleaning, inline fuel oil filters, fuel pumps, blowers with adjiustable dampers, solenoid valves, vortex chambers, ignition electrodes and spray nozzles. The boilers consist of heating coils made up of high temperature service ibr approved boiler quality steel tubes, feed water pump, cyclone separators, etc. They are complete automatic units where pressure and compbustion are automaticaly controlled. Burners are on/off or modulating type with automatic ignition and photoelectric flame failure sensing devide to safeguard combustion operations
