The ICM2808 is a low cost fit, form and functional replacement for the York S1-331-03010000 and S1-331-02956000 furnace control boards. Controls gas valve, Ignitor, blower motor, Inducer, humidifier, and air cleaner. Microprocessor-based precision. Designed for 100% 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.

ELECTRICAL RATINGS – Voltage Range: Line (98 to 132VAC) @ 60Hz. Control Voltage Range: 18-30VAC @ 60Hz. Relay Outputs: Meets or exceeds O.E.M. board. TIMING – Heat Blower On Delay: 30 seconds | Heat Blower Off Delay: 90-180 seconds. ENVIRONMENT – Ambient Temperature: Operating: -40°F to 176°F | Storage: -40°F to 185°F | Humidity: 5% to 95% R.H. (non-condensing) @ +55°F.