Up for sale is a icm controls fan blower control board part number icm2808. Features controls gas valve, ignitor, blower motor, inducer, humidifier, and air cleaner. Microprocessor-based precision designed for 100 percent gas shutoff in case of ignition failure twinning compatible with another icm2808 control reverse polarity protection secondary brownout voltage protection compatible with 24 vac standard thermostat provides dual-color diagnostic led to aid in troubleshooting replacement for york numbers: s1-331-03010000 and s1-331-02956000.