{"product_id":"carrier-control-board-fa4anf048010abaa","title":"OEM Carrier Control Board HK42FZ034 for Model FA4ANF048010ABAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Control Board HK42FZ034 for Model FA4ANF048010ABAA\u003c\/h1\u003e\n\u003cp\u003eThis OEM Carrier control board (HK42FZ034) is the central control that manages blower timing, safety interlocks, and ignition sequencing on your FA4ANF048010ABAA fan coil. Symptoms of a failed board include short-cycling, a blower that won't energize, no response to thermostat calls, or flashing diagnostic fault codes. This genuine Carrier replacement is built to exact factory specifications, guaranteeing correct relay logic, voltage regulation, and full compatibility with the FA4ANF048010ABAA — no rewiring or jumper modifications needed. Installation is moderate difficulty and takes most technicians or skilled DIYers 30-45 minutes: disconnect power at the breaker, photograph the existing wire harness, then transfer each connector one at a time to the new board, confirming each plug is fully seated. Genuine OEM boards protect your warranty and prevent the erratic operation often caused by universal aftermarket boards. We keep this part in stock and ship same-day on all orders placed before 3PM CST so you can restore comfort fast. Backed by our fitment guarantee for the FA4ANF048010ABAA platform.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FA4ANF048010ABAA.\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":62957212434803,"sku":"carrier-control-board-fa4anf048010abaa","price":189.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-fa4anf048010abaa","provider":"National HVAC Parts","version":"1.0","type":"link"}