{"product_id":"carrier-control-board-fc4dnf030005aaaa","title":"OEM Carrier Control Board Replacement Part for Model FC4DNF030005AAAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Control Board Replacement Part for Model FC4DNF030005AAAA\u003c\/h1\u003e\n\u003cp\u003eThis genuine OEM Carrier control board is the central controller for your FC4DNF030005AAAA fan coil unit, directing blower operation, system timing, safety interlocks, and thermostat communication. When the board fails, symptoms include erratic fan cycling, a unit that won't respond to thermostat calls, or no power at all. Manufactured to exact factory specifications, this board reproduces the original connector layout, relay configuration, and control logic of the FC4DNF030005AAAA, so it installs as a true drop-in without the rewiring or fit issues common to aftermarket boards. The replacement is a moderate job: disconnect power, photograph and label each wiring harness, unclip the old board, mount the new one, and reconnect every plug to its matching terminal. A capable homeowner can complete the swap in about an hour, though we recommend a licensed HVAC technician verify operation. A genuine Carrier board restores reliable, factory-correct performance and preserves your equipment warranty. We keep this part in stock — order before 3PM CST for same-day shipping.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FC4DNF030005AAAA.\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":62947287269747,"sku":"carrier-control-board-fc4dnf030005aaaa","price":249.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-fc4dnf030005aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}