{"product_id":"carrier-control-board-fc4bnb048000agaa","title":"OEM Carrier Control Board CESO110074 for Model FC4BNB048000AGAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Control Board CESO110074 for Model FC4BNB048000AGAA\u003c\/h1\u003e\n\u003cp\u003eThis OEM Carrier control board (CESO110074) is the electronic controller for your FC4BNB048000AGAA fan coil unit, coordinating blower startup, fan timing, and safety interlocks. When this board fails you may experience a non-responsive blower, erratic fan behavior, no thermostat communication, or recurring nuisance lockouts. Manufactured to exact Carrier specifications, this genuine replacement delivers the correct relay logic, timing sequences, and terminal pinout for a true plug-and-play swap. Replacement is a moderate-difficulty job best for experienced DIYers or an HVAC tech: disconnect power at the breaker, photograph the wiring harness for reference, transfer the connectors one at a time, and confirm dip-switch settings match the original board. Installing factory Carrier electronics restores dependable, code-correct operation and avoids the compatibility quirks of generic boards. This part is in stock and ships same-day on orders before 3PM CST, minimizing downtime for your air handler. Confirmed fitment for the FC4BNB048000AGAA fan coil.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FC4BNB048000AGAA.\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":62949319737715,"sku":"carrier-control-board-fc4bnb048000agaa","price":189.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-fc4bnb048000agaa","provider":"National HVAC Parts","version":"1.0","type":"link"}