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This OEM fan blower control board is the factory-specified replacement for the Carrier PF1MNB070000AAAA air handler. Carrying part number HK61EA006, this circuit board with integrated time delay relay governs blower motor sequencing, fan speed staging, and system-wide airflow coordination. When this board fails, common symptoms include the blower fan refusing to start, the system locking out after a call for heating or cooling, erratic fan speeds, or the fan running continuously regardless of thermostat demand.
Compatibility: Designed as a direct OEM replacement for Carrier PF1MNB070000AAAA air handler units. Verify your existing board's part number against HK61EA006 before ordering. Our HVAC parts specialists are available to confirm fitment — reach out before you order if you have any questions.