{"product_id":"carrier-control-board-fb4bsx048000aaaa","title":"OEM Carrier Air Handler Control Board for Model FB4BSX048000AAAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Air Handler Control Board for Model FB4BSX048000AAAA\u003c\/h1\u003e\n\u003cp\u003eThis genuine OEM Carrier control board is the electronic command center of your FB4BSX048000AAAA fan coil air handler, coordinating blower activation, fan speed selection, and signaling between your thermostat and outdoor condenser. A failing board often shows up as no airflow, random cycling, blower lockout, or a dead unit. Swapping in this precise-fit replacement brings back consistent heating and cooling and shields the system from electrical faults. It is built specifically for the Carrier FB4BSX048000AAAA (4-ton) air handler, matching the original terminal arrangement, relay ratings, and wiring harness so installation needs no modification. This is a moderate-difficulty repair best performed by a licensed HVAC professional; disconnect all power before you begin. Every board ships in anti-static protective packaging and goes out same-day on orders placed before 3PM CST. Selecting an authentic OEM Carrier board over an aftermarket imitation preserves factory specifications, guarantees full compatibility, and delivers the longest dependable service life for your air handler.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FB4BSX048000AAAA.\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":62950911115635,"sku":"carrier-control-board-fb4bsx048000aaaa","price":189.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-fb4bsx048000aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}