{"product_id":"carrier-control-board-fc4cnb042000aaaa","title":"OEM Carrier Control Board CESO110074 for Model FC4CNB042000AAAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Control Board CESO110074 for Model FC4CNB042000AAAA\u003c\/h1\u003e\n\u003cp\u003eThis genuine OEM Carrier control board (CESO110074) acts as the electronic brain of your fan coil, coordinating blower control, relay switching, and safety logic between the thermostat and the unit. A direct-fit replacement for the Carrier FC4CNB042000AAAA, it restores dependable operation when the blower won't respond, cycles erratically, or the system fails to heat or cool because of a defective board. Swapping the board resolves intermittent operation and burned relay contacts. Installation is moderate and takes roughly 30-45 minutes for a confident DIYer or technician: cut power, photograph every connection, move each connector to the matching terminal on the new board, and remount. Match the part number exactly so the control sequencing stays correct. Genuine Carrier electronics provide the precise logic and durability generic replacements lack. In stock and ships same-day when you order before 3PM CST, returning your HVAC system to proper control fast.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FC4CNB042000AAAA.\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":62947723018611,"sku":"carrier-control-board-fc4cnb042000aaaa","price":129.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-fc4cnb042000aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}