{"product_id":"carrier-control-board-fb4anf042000abaa","title":"OEM Carrier Control Board for Model FB4ANF042000ABAA Air Handler","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Control Board for Model FB4ANF042000ABAA Air Handler\u003c\/h1\u003e\n\u003cp\u003eThis OEM Carrier control board is the electronic brain of your FB4ANF042000ABAA fan coil air handler, managing blower operation, fan speed timing, safety interlocks, and communication with the thermostat. Symptoms of a failed board include a blower that won't run, intermittent operation, error codes, or a system that ignores thermostat commands. This genuine Carrier replacement is engineered for the exact relay layout and firmware logic of the FB4ANF042000ABAA, ensuring proper sequencing and protection of your equipment. Installation is moderate to advanced and should be performed by a qualified HVAC technician: disconnect power, photograph all wiring harness connections, transfer plugs and standoffs to the new board, and verify operation. Most installs take 30–45 minutes. Using the correct OEM board avoids miswired faults and protects your blower and transformer. We stock genuine parts and ship same-day on orders placed before 3PM CST, so your system is back online fast. Rely on authentic Carrier electronics for a precise fit and lasting reliability.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FB4ANF042000ABAA.\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":62953442378099,"sku":"carrier-control-board-fb4anf042000abaa","price":129.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-fb4anf042000abaa","provider":"National HVAC Parts","version":"1.0","type":"link"}