Series MI™ 
The improved Series MI™ residential, cast iron, hot water boiler is fully packaged and ready to install. This atmospheric, gas-fired boiler is designed for natural draft use with a conventional chimney. The Series MI™ boiler is available with either standing pilot or intermittent ignition, and is available as natural or LP gas. The integral draft diverter provides a low-profile design, allowing the boiler to be installed in areas with low clearance. Standard Honeywell controls are easily accessible, making the Series MI™ boiler simple to install and service. Standard equipment includes a Taco circulator, a flame rollout safety shutoff switch and a vent safety shutoff switch.
