{"product_id":"carrier-control-board-fx4anf048000aaaa","title":"OEM Carrier Control Board CESO110074 for Model FX4ANF048000AAAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Control Board CESO110074 for Model FX4ANF048000AAAA\u003c\/h1\u003e\n\u003cp\u003eThis genuine Carrier control board (CESO110074) is the electronic brain of your FX4ANF048000AAAA fan coil, managing blower timing, fan speed staging, safety lockouts, and communication with the thermostat and outdoor unit. When a board fails you may see no blower operation, erratic fan cycling, blinking fault codes, or a completely unresponsive system. Installing a fresh OEM board restores precise control and protects downstream components from voltage faults. Engineered to Carrier specifications, this board matches the original connector layout and firmware behavior of the FX4ANF048000AAAA for a true plug-in replacement. This is a moderate-to-advanced repair: kill power at the breaker, label and photograph every harness plug, transfer the connectors one at a time, and confirm dip-switch settings match the old board. Most techs complete it in 30 to 45 minutes. Choosing OEM avoids the compatibility guesswork and fault codes common with aftermarket boards. In stock and ships same-day on orders placed before 3PM CST, minimizing downtime during a no-cool or no-heat call.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FX4ANF048000AAAA.\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":62942895964531,"sku":"carrier-control-board-fx4anf048000aaaa","price":189.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-fx4anf048000aaaa.jpg?v=1781466447","url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-fx4anf048000aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}