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The ICM2812 is a universal board only replacement for the White-Rodgers 50M56U-843. (It does not come packaged with cable harnesses.)

Product Features:
  • Hot Surface Ignition (HSI) control board
  • Microprocessor-based
  • Monitors timing, trial for ignition, system switches, flame sensing and lockout.
  • 100% lockout safety feature
  • Compatible with LP or Natural Gas
  • LED indication for status and fault codes to aid in troubleshooting

Product Specifications:
  • Control voltage: 24 VAC (18-30 VAC)
  • Line voltage: 120 VAC
  • HSI Hot Surface Ignitor: 6 amp @ 120 VAC
  • Gas Valve: 1.5 amp @ 24 VAC
  • Inducer draft motor: 2.2 FLA @120 VAC
  • Blower motor: 14.5 FLA @ 120 VAC
  • Operating Temp Range: -40° to 176°F (-40° to 80°C)
  • Humidity Range: 5 to 95% relative humidity (non-condensing)
Hide Description
Product Type:

Control Board

Operating Temp Range:

-40° to 176°F

Control Voltage:

18-30 VAC

Humidity Range:

5% to 95% Relative Humidity (Non-Condensing)

Heat Blower ON Delay:

30 Seconds

Heat Blower OFF Delay:

100 Seconds

150 Seconds

Cool Blower ON Delay:

6 Seconds

Cool Blower OFF Delay:

45 Seconds


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