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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 OEM Carrier control board is the genuine replacement for the FC4ANF036000AAAA fan coil unit. As the control center of your air handler, it governs blower speed and timing, safety limits, and the communication between your thermostat and the rest of your HVAC system. Common signs of a failed board include a blower that won't start or won't stop, no response to thermostat calls, repeatedly blown fuses, or visible scorching and relay chatter on the board. This factory part reproduces Carrier's original firmware and terminal layout exactly, so your equipment runs as designed instead of the unpredictable behavior aftermarket boards can introduce. It is a direct fit for the FC4ANF036000AAAA. Installation is moderate to advanced and best performed by a licensed HVAC technician: disconnect power, photograph every wire, transfer connectors to matching terminals, and test before closing the panel. Genuine OEM hardware protects your control circuit and keeps your warranty intact. We keep this board in stock, and any order placed before 3PM CST ships same-day so your fan coil is back in service with minimal downtime.
This part is compatible with Carrier model FC4ANF036000AAAA.
Same-day shipping before 3 PM CST. 30-day returns on uninstalled parts.