{"product_id":"carrier-control-board-fa4cnf024008aaaa","title":"OEM Carrier Control Board HK42FZ034 for Model FA4CNF024008AAAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Control Board HK42FZ034 for Model FA4CNF024008AAAA\u003c\/h1\u003e\n\u003cp\u003eThis OEM Carrier control board (HK42FZ034) is the main circuit board governing operation of your Carrier FA4CNF024008AAAA fan coil air handler. It manages blower timing, thermostat signaling, and built-in safety logic so your system heats and cools reliably. When this board fails, you may experience a unit that won't start, a blower that won't run, or unpredictable cycling. Engineered to exact factory specifications, this genuine Carrier replacement delivers a guaranteed fit and original performance for the FA4CNF024008AAAA. Installation difficulty is moderate and ideally performed by a licensed HVAC technician, as it requires disconnecting line-voltage connections and carefully transferring wire harnesses to matching terminals; most pros finish in under an hour. Always disconnect power at the breaker before starting. Choosing an authentic OEM board protects your equipment warranty and ensures full system compatibility. In stock and ready to ship same-day when ordered before 3PM CST. Shop NationalHVACParts.com for genuine Carrier parts and dependable, fast delivery you can count on.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FA4CNF024008AAAA.\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":62955552407923,"sku":"carrier-control-board-fa4cnf024008aaaa","price":124.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-fa4cnf024008aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}