{"product_id":"carrier-control-board-fb4bsf048000aaaa","title":"OEM Carrier Control Board for Model FB4BSF048000AAAA Fan Coil","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Control Board for Model FB4BSF048000AAAA Fan Coil\u003c\/h1\u003e\n\u003cp\u003eThis genuine OEM Carrier control board is the main circuit board governing blower operation, fan speed staging, and safety interlocks on your Carrier FB4BSF048000AAAA fan coil air handler. If your air handler won't power the blower, cycles erratically, or stops communicating with the thermostat, a faulty control board is a frequent culprit. Manufactured to precise Carrier specifications for the FB4BSF048000AAAA, this factory-original board guarantees correct relay timing, voltage regulation, and system compatibility that generic boards often miss. Installation is moderate: disconnect power, document the existing wiring with a photo, move each connector to the matching terminal on the new board, and verify DIP-switch and jumper settings. A licensed HVAC technician is recommended. Choosing a true OEM board preserves your equipment warranty and delivers reliable, long-term performance. This item is in stock and ships same-day when you order before 3PM CST, getting your system back online quickly. Trust an exact-fit factory part built specifically for your model.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FB4BSF048000AAAA.\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":62951014564211,"sku":"carrier-control-board-fb4bsf048000aaaa","price":249.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-fb4bsf048000aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}