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This genuine OEM Carrier control board (HK61EA005) is the electronic brain of your FB4ANF048015ABAA fan coil air handler. It manages blower motor operation, fan timing, relay switching, and safety interlocks, coordinating signals between the thermostat and the rest of your system. When a control board fails, you may see no blower response, erratic fan cycling, blown fuses, or a system that won't start at all. This factory-spec board is built to match the FB4ANF048015ABAA exactly, ensuring correct voltage handling and connector layout for a true plug-and-play replacement. Installation is moderate difficulty and best handled by an HVAC professional: disconnect power, photograph all wire harness positions, transfer connectors one at a time, and mount the new board. Genuine Carrier engineering means reliable performance and full compatibility you can trust. In stock and ships same-day when you order before 3PM CST to minimize system downtime. Buy with confidence from NationalHVACParts.com, your trusted source for authentic OEM Carrier replacement parts.
This part is compatible with Carrier model FB4ANF048015ABAA.
Same-day shipping before 3 PM CST. 30-day returns on uninstalled parts.