ICM Fan Blower Control for Carrier 18-30 Volt, Time Delay Fixed: On: 75 seconds, Off: 105 seconds

The Fan Blower Control (ICM-271C) is a durable, field-proven replacement board designed specifically for Carrier systems, heat pumps, and forced-air furnaces. Engineered for reliable 18–30 VAC operation, this solid-state control ensures precise blower sequencing with fixed time delays, 75 seconds ON and 105 seconds OFF in heat mode, plus 90 seconds OFF in cool mode. Built to protect blower motors and enhance overall system efficiency, it’s rated for 20 amps (NO) and 10 amps (NC), providing dependable performance under demanding HVAC conditions. The ICM-271C installs quickly as a direct OEM replacement for Carrier part numbers CES0110017/18 and HH84AA series, offering professional technicians a clean, drop-in solution that restores accurate fan operation and system reliability.