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Order before 3PM CST — ships same day.
Standard delivery 2-5 business days. Express options at checkout.
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This genuine OEM Carrier control board is the central controller for your FA4BNC030005AAAA fan coil unit, coordinating blower operation, electric heat staging, and safety interlocks for dependable indoor comfort. A faulty board typically presents as a blower that won't energize, erratic heating, or short-cycling that strains the system. An exact-fit OEM replacement restores correct sequencing and shields connected components from electrical faults. Built specifically for the Carrier FA4BNC030005AAAA, this board matches factory terminal layout, relay ratings, and firmware—no adapters or rewiring workarounds required. Installation is moderate difficulty and best performed by a licensed HVAC technician: disconnect power, photograph existing wiring, move connections one at a time, then test for proper operation. Installing the correct OEM board helps preserve your equipment warranty and avoids the intermittent faults that often follow universal substitutes. In stock and ready to ship—orders placed before 3PM CST ship the same day, getting your air handler back online without the wait.
This part is compatible with Carrier model FA4BNC030005AAAA.
Same-day shipping before 3 PM CST. 30-day returns on uninstalled parts.