The Bermuda Series (BSI) residential/light commercial, cast iron, steam boiler is a fully-packaged, installer-ready product. The integral draft diverter provides a low profile design allowing the boiler to be installed in areas requiring a low clearance. This atmospheric, gas-fired boiler is for use with a conventional chimney. The Bermuda Series also comes standard with a probe-type low water cut-off safety control. The Bermuda Series is packaged with the option of either natural or LP gas as well an electronic ignition system.