{"product_id":"carrier-control-board-fb4bnf018000aaaa","title":"OEM Carrier Control Board Replacement for Model FB4BNF018000AAAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Control Board Replacement for Model FB4BNF018000AAAA\u003c\/h1\u003e\n\u003cp\u003eThis genuine OEM Carrier control board manages the core operation of your FB4BNF018000AAAA fan coil unit, controlling the blower motor, monitoring safety limits, and handling communication with the thermostat. Signs of a failed board include a blower that won't start, erratic fan cycling, active fault codes, or a system that disregards thermostat demands. Built to exact factory specifications, this board is the precise replacement for the FB4BNF018000AAAA, matching the original board's connector arrangement, relay logic, and firmware for identical operation. It installs in the same mounting location and uses the existing wiring harness and plug-in connections. Difficulty is moderate and best suited to a confident DIYer or HVAC technician — photograph the connections, disconnect power at the breaker, and transfer one wire at a time to prevent miswiring. A new OEM control board restores complete, dependable performance to your fan coil system. In stock and ships same-day when you order before 3PM CST, helping you get the unit back online quickly and confidently.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FB4BNF018000AAAA.\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":62951667204467,"sku":"carrier-control-board-fb4bnf018000aaaa","price":149.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-fb4bnf018000aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}