{"product_id":"carrier-control-board-fb4asm048000aaaa","title":"OEM Carrier Control Board for Air Handler Model FB4ASM048000AAAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Control Board for Air Handler Model FB4ASM048000AAAA\u003c\/h1\u003e\n\u003cp\u003eThis OEM Carrier control board is the central circuit board that manages blower operation, relay sequencing, and safety interlocks inside your Carrier FB4ASM048000AAAA fan coil air handler. When this board fails you may see a dead blower, intermittent fan operation, error codes, or a unit that simply will not power up. Installing a genuine OEM replacement restores reliable communication between the thermostat, blower motor, and heating elements, protecting the rest of your system from voltage faults. This board is engineered to the exact specifications of the FB4ASM048000AAAA, ensuring correct fit, connector layout, and firmware behavior with no jumper guesswork. Installation is moderate difficulty and best handled by an experienced DIYer or HVAC technician: disconnect power, photograph wiring, transfer connectors one at a time, and verify operation. Always confirm your part number against the old board before installing. We stock genuine Carrier components and ship same-day on all orders placed before 3PM CST, so you can get your air handler running again fast without paying dealer markups or waiting on backorder.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FB4ASM048000AAAA.\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":62951936754035,"sku":"carrier-control-board-fb4asm048000aaaa","price":199.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-fb4asm048000aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}