{"product_id":"carrier-control-board-fb4bsf030l00aaaa","title":"OEM Carrier Control Board for Model FB4BSF030L00AAAA Fan Coil","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Control Board for Model FB4BSF030L00AAAA Fan Coil\u003c\/h1\u003e\n\u003cp\u003eThis genuine OEM Carrier control board is the core circuit board controlling blower operation, fan speed staging, and safety interlocks in your Carrier FB4BSF030L00AAAA fan coil air handler. A failing board commonly causes a blower that won't engage, random shutdowns, or lost communication with the thermostat. Built to precise Carrier engineering standards for the FB4BSF030L00AAAA, this factory-original part guarantees correct relay timing, stable voltage handling, and seamless integration with your indoor and outdoor units. Installation is moderate: cut power to the unit, photograph the wiring for reference, transfer each connector to its matching terminal on the new board, and confirm the DIP-switch settings match the original. A licensed HVAC technician is recommended. Choosing a genuine OEM board protects your warranty and outperforms aftermarket substitutes prone to misfires. This control board is in stock and ships same-day on orders before 3PM CST, so comfort returns fast. Order the exact factory-matched part engineered for your specific model.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FB4BSF030L00AAAA.\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":62951017185651,"sku":"carrier-control-board-fb4bsf030l00aaaa","price":249.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-fb4bsf030l00aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}