{"product_id":"carrier-control-board-fk4bnf004010aaaa","title":"OEM Carrier Control Board FK4BNF004010AAAA for Model FK4BNF004010AAAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Control Board FK4BNF004010AAAA for Model FK4BNF004010AAAA\u003c\/h1\u003e\n\u003cp\u003eThis OEM Carrier control board is the genuine factory replacement for the FK4BNF004010AAAA fan coil unit. It serves as the electronic brain of the system, managing blower operation, fan speeds, safety interlocks, and communication between the thermostat and components. When the original board fails, you may see no blower response, erratic fan behavior, or a fully unresponsive unit—this OEM board restores correct, reliable operation. Engineered to Carrier specifications for the FK4BNF004010AAAA, it provides an exact functional and physical match, eliminating the compatibility risks of aftermarket boards. Installation is moderate and best left to a licensed HVAC technician: power is disconnected, wire harnesses and connectors are documented and transferred, and the new board is mounted and verified. Most replacements take 30 to 60 minutes with basic tools. Every board is brand-new, never refurbished, and carries Carrier quality. We keep this part in stock and ship same-day on orders placed before 3PM CST. Order today from NationalHVACParts.com for a guaranteed OEM fit and trusted, long-lasting performance.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FK4BNF004010AAAA.\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":62942926242163,"sku":"carrier-control-board-fk4bnf004010aaaa","price":287.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-fk4bnf004010aaaa.jpg?v=1781466589","url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-fk4bnf004010aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}