{"product_id":"carrier-control-board-fb4anf030000aaaa","title":"OEM Carrier Control Board HK42FZ034 for Model FB4ANF030000AAAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Control Board HK42FZ034 for Model FB4ANF030000AAAA\u003c\/h1\u003e\n\u003cp\u003eThis OEM Carrier control board (HK42FZ034) is the brain of your Carrier FB4ANF030000AAAA fan coil air handler, governing blower timing, fan relays, and built-in safety interlocks. If your system fails to start, the blower won't shut off, or you see erratic cycling, a faulty control board is a leading culprit. This genuine OEM board is engineered specifically for the FB4ANF030000AAAA, delivering the precise relay logic and voltage handling that generic substitutes may not match. Installation is moderate in difficulty and recommended for an HVAC professional: disconnect power, photograph existing wiring for reference, transfer each connector to the new board, and secure it in place—typically a 30-45 minute job. Verify your unit's part number against the existing board label before ordering to ensure a perfect fit. Genuine Carrier construction means dependable, long-lasting operation. In stock now and ships same-day when you order before 3PM CST, getting your air handler back online quickly. Order today.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FB4ANF030000AAAA.\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":62953929408883,"sku":"carrier-control-board-fb4anf030000aaaa","price":189.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-fb4anf030000aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}