{"product_id":"carrier-control-board-fa4cnf048000aaaa","title":"OEM Carrier Control Board CESO-FA4CNF048 for FA4CNF048000AAAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Control Board CESO-FA4CNF048 for FA4CNF048000AAAA\u003c\/h1\u003e\n\u003cp\u003eThis genuine Carrier control board manages blower sequencing, relay switching, and safety interlocks for your FA4CNF048000AAAA fan coil, translating thermostat calls into reliable system operation. When the board fails, you'll see no airflow on demand, erratic blower cycling, or a full system lockout. A factory OEM replacement restores correct timing and control logic engineered specifically for the FA4CNF048000AAAA. Generic boards frequently use mismatched firmware or connector arrangements that trigger nuisance faults — this authentic Carrier part is manufactured to exact specifications for guaranteed fit and function. Installation is moderate to advanced: a licensed HVAC technician should move wiring connector-by-connector with power disconnected, then test operation before closing the unit. Typical replacement takes 30–45 minutes. We sell only genuine Carrier components, never aftermarket clones, so your repair holds up. Orders placed before 3PM CST ship same-day, reducing costly downtime. Choose NationalHVACParts for authentic Carrier control boards and dependable, fast shipping on every order you place.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FA4CNF048000AAAA.\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":62955284595059,"sku":"carrier-control-board-fa4cnf048000aaaa","price":149.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-fa4cnf048000aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}