Order before 3PM CST — ships same day.
Standard delivery 2-5 business days. Express options at checkout.
OEM Guaranteed
Same-Day Ship
30-Day Returns
Secure Checkout
This OEM Carrier control board serves as the electronic command center of your FK4BNF001010AAAA fan coil, managing blower motor speeds, safety interlocks, and thermostat communication so your system heats and cools on demand. A failed board often produces a no-heat or no-cool fault, an inactive blower, or intermittent operation, all corrected by a genuine Carrier replacement built to factory specifications. Made specifically for the FK4BNF001010AAAA, it fits the original mounting points and plug-in connectors exactly, eliminating any need for rewiring or splices. Installation is a moderate job: cut power at the breaker, photograph the harness, and transfer connectors to the new board one by one, usually within 30-45 minutes; if wiring isn't your strength, an HVAC technician can handle it quickly. Each board is tested to Carrier's quality and durability standards. Order before 3PM CST and it ships the same day, getting your air handler back online fast. Choosing OEM ensures precise compatibility and the dependable, long-lasting control your Carrier system requires.
This part is compatible with Carrier model FK4BNF001010AAAA.
Same-day shipping before 3 PM CST. 30-day returns on uninstalled parts.