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ICM - ICM291 - Replacement for Carrier LH33WP003 (DSI Control Board)

Item: ICM291

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About This Product

Product Info


ICM - Replacement for Carrier LH33WP003 (DSI Control Board). This Direct Spark Ignition (DSI) control board, microprocessor-based, controls combustion, blower and indoor motors, and spark.
  • Monitors timing, trial for ignition, flame sensing and lockout
  • 100% lockout safety feature
  • Compatible with LP or Natural Gas
  • Status LED for fault codes to aid in troubleshooting
Warning: this product contains a chemical known to the State of California to cause cancer.


Weight0.5 Pounds (lbs)
Width7 Inches (In)
Height1.875 Inches (In)
Country of OriginUSA
Length5 Inches (In)
ApplicationFurnace Control
BrandICM Controls
Control Voltage24 VAC
Cycle/Hertz50/60 Hz
FeaturesDirect Spark Ignition (DSI) control board, Microprocessor-based, Controls combustion, blower and indoor motors; spark
Full Load Amps0.3
Prop 65Yes
Voltage18-32 VAC


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