{"product_id":"carrier-control-board-fb4bnf036005aaaa","title":"OEM Carrier Control Board Replacement for Model FB4BNF036005AAAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Control Board Replacement for Model FB4BNF036005AAAA\u003c\/h1\u003e\n\u003cp\u003eThis OEM Carrier control board manages blower operation, fan speed staging, and safety interlocks in your FB4BNF036005AAAA fan coil unit, making it central to consistent heating and cooling performance. Symptoms of a failing board include a blower that won't start, short cycling, no response to thermostat commands, or erratic fault codes. Manufactured to genuine Carrier factory specifications, this replacement provides correct voltage handling and reliable communication with your thermostat and ECM motor. It is designed as a direct-fit match for the FB4BNF036005AAAA, so no rewiring or adapters are necessary. Installation is moderate in difficulty and best handled by a qualified HVAC technician; expect about 30 to 45 minutes to move wiring connectors and securely remount the board. Always disconnect power at the breaker before starting any service work. Order before 3PM CST and your control board ships same-day to get your system running again quickly. Choose genuine OEM parts for exact fitment and proven, long-lasting reliability.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FB4BNF036005AAAA.\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":62951438254451,"sku":"carrier-control-board-fb4bnf036005aaaa","price":274.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-fb4bnf036005aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}