{"product_id":"carrier-control-board-fb4ana048020aaaa","title":"OEM Carrier Control Board for Model FB4ANA048020AAAA Fan Coil","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Control Board for Model FB4ANA048020AAAA Fan Coil\u003c\/h1\u003e\n\u003cp\u003eThis genuine OEM Carrier control board governs the core electronics of your FB4ANA048020AAAA fan coil, coordinating blower activation, fan speed selection, and low-voltage safety circuits between the thermostat and your cooling system. A failed board often shows up as a dead blower, unpredictable fan cycling, repeatedly blown transformer fuses, or a unit that simply won't respond to a cooling or heating call. Built to Carrier's exact engineering specification, this board is a direct-fit replacement for the FB4ANA048020AAAA air handler, with identical connectors and relay logic for plug-and-play accuracy. Installation is moderate—budget 30-45 minutes—and is best performed by a licensed technician who can document the existing wiring, move connectors individually, and verify dip\/jumper configuration. Always shut off power at the disconnect first. Choosing a genuine Carrier board safeguards your blower motor and electronics against voltage faults while avoiding the headaches of universal aftermarket boards. In stock now and ships same-day on orders placed before 3PM CST.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FB4ANA048020AAAA.\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":62954935878003,"sku":"carrier-control-board-fb4ana048020aaaa","price":187.45,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-fb4ana048020aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}