Icm ICM2808 Furnace Control Board S1-331-03010000 S1-331-02956000

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.