Several new replacement furnace controls for OEM models are available. The ICM284 furnace control board controls vent motor, blower control, hot surface igniter, and gas valve and monitors timing, trial for ignition, flame sensing, and lockout. Diagnostic LEDs aid in testing and troubleshooting. Model 287 controls the inducer and blower control. The microprocessor-based unit monitors the timing and gas valve. The ICM289 controls inducer fan motor and blower fan and monitors limit switches. It functions with all 24-vac thermostats. The ICM291 direct spark ignition (DSI) furnace control board has a 100 percent lockout safety feature. Microprocessor-based, the control is compatible with LP or natural gas. Model 292 has a 100 percent lockout safety feature and is compatible with LP or natural gas. It is a DSI control. The ICM2801 furnace control board is microprocessor-based, has a 100 percent lockout safety feature, and is compatible with LP or natural gas.

ICM Controls Corp., 800-365-5525; www.icmcontrols.com