{"product_id":"carrier-control-board-fb4bnf018005aaaa","title":"OEM Carrier Control Board Replacement for Model FB4BNF018005AAAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Control Board Replacement for Model FB4BNF018005AAAA\u003c\/h1\u003e\n\u003cp\u003eThis genuine OEM Carrier control board is the central command of your FB4BNF018005AAAA fan coil unit, directing blower operation, enforcing safety interlocks, and relaying signals between the thermostat and motor. A failing board often presents as no blower response, irregular fan cycling, displayed error codes, or a unit that won't react to thermostat calls. Manufactured to precise factory specifications, this board is the exact replacement for the FB4BNF018005AAAA, with identical connector layout, relay logic, and firmware to match original performance. It mounts in the existing bracket and reconnects through the original wiring harness and plug connectors. Installation is moderate difficulty, recommended for a capable DIYer or HVAC pro — take a photo of the wiring, kill power at the breaker, and move connectors one at a time to avoid errors. Installing a new OEM control board returns your fan coil to full, reliable function. In stock and ships same-day when you order before 3PM CST, so your system spends less time down and more time keeping you comfortable.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FB4BNF018005AAAA.\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":62951667007859,"sku":"carrier-control-board-fb4bnf018005aaaa","price":149.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-fb4bnf018005aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}