{"product_id":"carrier-control-board-fb4bsf042000aaaa","title":"OEM Carrier Control Board for Model FB4BSF042000AAAA Fan Coil","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Control Board for Model FB4BSF042000AAAA Fan Coil\u003c\/h1\u003e\n\u003cp\u003eThis genuine OEM Carrier control board is the primary circuit board that manages blower operation, fan speed control, and safety interlocks for your Carrier FB4BSF042000AAAA fan coil air handler. When the blower fails to engage, the unit short-cycles, or fault codes appear intermittently, a defective control board is often to blame. Produced to precise Carrier specifications for the FB4BSF042000AAAA, this factory-original part delivers the correct voltage regulation, relay timing, and thermostat communication that generic replacements can't reliably match. Installation difficulty is moderate: power off the air handler, photograph the wiring layout, transfer connectors one at a time to the new board, and verify all DIP-switch and jumper settings. A licensed HVAC technician is recommended for safe, accurate work. Installing a true OEM board safeguards your warranty and provides dependable, lasting operation. This board is in stock and ships same-day when ordered before 3PM CST, minimizing downtime. Choose the exact factory part engineered for your model.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FB4BSF042000AAAA.\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":62951016759667,"sku":"carrier-control-board-fb4bsf042000aaaa","price":249.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-fb4bsf042000aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}