{"product_id":"carrier-control-board-fc4bnb042010aaaa","title":"OEM Carrier Control Board for Model FC4BNB042010AAAA Fan Coil","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Control Board for Model FC4BNB042010AAAA Fan Coil\u003c\/h1\u003e\n\u003cp\u003eKeep your Carrier FC4BNB042010AAAA fan coil operating safely and reliably with this genuine OEM control board. The control board is the brain of your fan coil, managing blower operation, fan speed sequencing, safety interlocks, and communication between the thermostat and the rest of your HVAC system. A failed or intermittent board can cause no heat, no airflow, erratic cycling, or a completely unresponsive unit. This board is manufactured to Carrier's exact specifications and is a direct replacement for the FC4BNB042010AAAA, ensuring correct timing, relay logic, and full compatibility. Installation is moderate in difficulty and best handled by a qualified HVAC technician; it involves labeling and transferring wiring harnesses, so always disconnect power first and photograph connections before removing the old board. Choosing genuine OEM ensures correct firmware behavior and long-term durability. Order before 3PM CST and your control board ships the same day to get your system back online quickly. Confirm the part number on your existing board matches before installing.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FC4BNB042010AAAA.\u003c\/p\u003e\n\u003ch2\u003eShipping\u003c\/h2\u003e\n\u003cp\u003eSame-day shipping before 3 PM CST. 30-day returns on uninstalled parts.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carrier","offers":[{"title":"Default Title","offer_id":62949437636979,"sku":"carrier-control-board-fc4bnb042010aaaa","price":199.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-fc4bnb042010aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}