{"product_id":"carrier-control-board-fa4cnf036005aaaa","title":"OEM Carrier Control Board Replacement for Model FA4CNF036005AAAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Control Board Replacement for Model FA4CNF036005AAAA\u003c\/h1\u003e\n\u003cp\u003eThis genuine Carrier control board is the electronic brain of your FA4CNF036005AAAA fan coil, managing blower timing, relay sequencing, and safety interlocks for smooth heating and cooling cycles. Symptoms of a failing board include a blower that won't start, erratic cycling, no response to the thermostat, or tripped safeties — a direct OEM replacement restores correct operation and prevents damage to the motor and heater. Engineered specifically for the FA4CNF036005AAAA, it matches the original connector layout, firmware, and mounting points so there's no rewiring or guesswork. Installation is moderate in difficulty and best handled by a licensed technician: cut power, photograph the wiring, swap connectors one at a time, and verify dip-switch settings against the unit's spec. Using the OEM board avoids the compatibility headaches of universal aftermarket controls. We keep this part in stock — orders before 3PM CST ship same-day so your system is back online quickly. Reach out if you'd like help verifying the board revision for your unit.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FA4CNF036005AAAA.\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":62955450335603,"sku":"carrier-control-board-fa4cnf036005aaaa","price":189.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-fa4cnf036005aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}