{"product_id":"carrier-control-board-fb4bsb070l00aaaa","title":"OEM Carrier Control Board HK42FZ009 for Model FB4BSB070L00AAAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Control Board HK42FZ009 for Model FB4BSB070L00AAAA\u003c\/h1\u003e\n\u003cp\u003eThis OEM Carrier control board (HK42FZ009) is the brain of your FB4BSB070L00AAAA fan coil air handler, coordinating blower start\/stop, fan timing, and built-in safety shutoffs. If your unit won't power the blower, throws fault codes, or short-cycles, a degraded control board is the likely culprit. Choosing this genuine Carrier board guarantees the precise relay sequencing, capacitor ratings, and harness connectors engineered for your exact model — eliminating the guesswork and compatibility risks of universal replacements. Installation difficulty is moderate: disconnect power, photograph and transfer each wire, remove the mounting screws, and seat the new board. Typical replacement takes 30-45 minutes; line-voltage work should be performed by a licensed technician. Restore dependable heating and cooling operation with factory-original components built to Carrier's specifications. This part is in stock now, and any order placed before 3PM CST ships the same business day for fast delivery. Shop genuine Carrier parts with confidence at NationalHVACParts.com and get your system running right.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FB4BSB070L00AAAA.\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":62951072104819,"sku":"carrier-control-board-fb4bsb070l00aaaa","price":189.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-fb4bsb070l00aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}