{"product_id":"carrier-control-board-fa4bnf042000aaaa","title":"OEM Carrier Control Board for Model FA4BNF042000AAAA Fan Coil","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Control Board for Model FA4BNF042000AAAA Fan Coil\u003c\/h1\u003e\n\u003cp\u003eThis genuine OEM Carrier control board is the factory replacement for the FA4BNF042000AAAA fan coil unit. As the control center of the air handler, it governs blower operation, fan speed staging, safety interlocks, and communication with the thermostat and outdoor equipment. A failed board commonly results in no blower response, erratic starts, or a unit that will not run on a thermostat call. Installing the correct OEM board restores proper sequencing and safe, dependable operation. This part is a direct fit for the Carrier FA4BNF042000AAAA, with matching connectors and mounting points for a clean replacement. The work is moderate to advanced and should be handled by a licensed HVAC technician: disconnect power, photograph and move all harness connections, and verify full operation after install. Genuine OEM boards carry the correct firmware and tolerances that generic alternatives cannot guarantee. In stock and ready to ship. Order before 3PM CST for same-day shipping to keep downtime to a minimum.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FA4BNF042000AAAA.\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":62956207309171,"sku":"carrier-control-board-fa4bnf042000aaaa","price":189.99,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-fa4bnf042000aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}