{"product_id":"carrier-control-board-fh4cnf003000aaaa","title":"OEM Carrier Control Board Replacement for Model FH4CNF003000AAAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Control Board Replacement for Model FH4CNF003000AAAA\u003c\/h1\u003e\n\u003cp\u003eThis OEM Carrier control board is the genuine replacement for the Carrier FH4CNF003000AAAA fan coil unit. The control board is the brain of the system, managing blower operation, relay switching, fan timing, and safety interlocks based on signals from the thermostat. A failed board can cause a no-response system, an inoperative blower, erratic fan behavior, or repeated fault codes. Manufactured to Carrier factory standards, this board provides the exact connector layout, relay configuration, and firmware logic of the original, ensuring proper control and communication throughout the unit. Installation is moderate to advanced in difficulty and best handled by a qualified HVAC technician: disconnect power, photograph and transfer each wiring harness to the matching terminals, mount the new board, and verify operation. Professional installation is strongly recommended. Orders placed before 3PM CST ship same-day so you can minimize downtime. Insist on a genuine Carrier control board for exact fitment and reliable, long-term performance on your specific fan coil model.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FH4CNF003000AAAA.\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":62945600962931,"sku":"carrier-control-board-fh4cnf003000aaaa","price":289.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-fh4cnf003000aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}