{"product_id":"carrier-control-board-fb4bnf024000aaaa","title":"OEM Carrier Control Board Replacement for Model FB4BNF024000AAAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Control Board Replacement for Model FB4BNF024000AAAA\u003c\/h1\u003e\n\u003cp\u003eThis genuine OEM Carrier control board is the brain of your FB4BNF024000AAAA fan coil unit, managing blower operation, safety interlocks, and communication between the thermostat and motor. A failed board shows up as no blower response, erratic fan cycling, tripped error codes, or a system that ignores thermostat calls entirely. Built to exact factory specifications, this board is the precise replacement for the FB4BNF024000AAAA, with matching connector layout, relay logic, and firmware so it functions identically to the original. It installs in the same mounting location using the existing wiring harness and plug connections. Difficulty is moderate — recommended for a knowledgeable DIYer or HVAC pro, since you'll photograph and transfer multiple low-voltage and line-voltage connections; always disconnect power at the breaker first and move one connector at a time to avoid errors. Replacing a worn control board restores full, dependable system operation. In stock and ships same-day when you order before 3PM CST, getting your fan coil back online quickly.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FB4BNF024000AAAA.\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":62951666352499,"sku":"carrier-control-board-fb4bnf024000aaaa","price":149.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-fb4bnf024000aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}