{"product_id":"carrier-control-board-fc4dnf030010aaaa","title":"OEM Carrier Control Board Replacement Part for Model FC4DNF030010AAAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Control Board Replacement Part for Model FC4DNF030010AAAA\u003c\/h1\u003e\n\u003cp\u003eThis genuine OEM Carrier control board is the command center of your FC4DNF030010AAAA fan coil unit, governing blower operation, system timing, safety interlocks, and thermostat signaling. A defective board often shows up as erratic fan cycling, a unit that ignores thermostat calls, or a complete no-power condition. Manufactured to exact factory specifications, this board mirrors the original connector layout, relay configuration, and control logic of the FC4DNF030010AAAA, so it installs as a true drop-in without the rewiring or fit problems associated with aftermarket boards. The replacement is a moderate job: cut power to the unit, photograph and label every harness, unclip the failed board, mount the new one, and reconnect each plug to its corresponding terminal. A capable homeowner can finish in about an hour, though we recommend a licensed HVAC technician verify the install. A genuine Carrier board returns your system to reliable, factory-correct performance and preserves the warranty. We stock this part — 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 FC4DNF030010AAAA.\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":62947287138675,"sku":"carrier-control-board-fc4dnf030010aaaa","price":249.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-fc4dnf030010aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}