{"product_id":"carrier-control-board-fx4cnf048000aaaa","title":"OEM Carrier Furnace Control Circuit Board for Model FX4CNF048000AAAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Furnace Control Circuit Board for Model FX4CNF048000AAAA\u003c\/h1\u003e\n\u003cp\u003eThis OEM Carrier control board is the central command module for the FX4CNF048000AAAA fan coil air handler, managing blower speed staging, fan timing, and safety interlocks between the thermostat, indoor blower motor, and outdoor unit. When your air handler fails to power the blower, throws erratic fan operation, or stops responding to thermostat calls, a failed control board is the most common culprit. This genuine Carrier replacement is built to the exact factory specifications for the FX4CNF048000AAAA, ensuring correct relay logic, terminal layout, and connector fitment so you avoid the compatibility headaches of universal aftermarket boards. Installation is moderate difficulty and typically takes a trained technician 30 to 45 minutes: cut power, photograph and transfer the wiring harness one connector at a time, then mount the new board. Always confirm line voltage is off before servicing. Using a genuine OEM board protects your system warranty and restores reliable, quiet operation. In stock and ships same-day when ordered before 3PM CST, with full Carrier OEM quality backing every unit we sell.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FX4CNF048000AAAA.\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":62942891508083,"sku":"carrier-control-board-fx4cnf048000aaaa","price":189.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-fx4cnf048000aaaa.jpg?v=1781469489","url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-fx4cnf048000aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}