{"product_id":"carrier-transformer-fb4cnf018l00abaa","title":"OEM Carrier Transformer FB4CNF018L00ABAA for Model FB4CNF018L00ABAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Transformer FB4CNF018L00ABAA for Model FB4CNF018L00ABAA\u003c\/h1\u003e\n\u003cp\u003eThis genuine OEM Carrier transformer is the factory-spec control transformer for the FB4CNF018L00ABAA fan coil unit, stepping line voltage down to the 24V power required by your thermostat, control board, and low-voltage relays. When a transformer fails, the air handler goes dead to thermostat commands—a frequent and frustrating no-power symptom. Engineered to Carrier's precise VA rating and electrical specs, this replacement is a direct fit for the FB4CNF018L00ABAA and installs without any rewiring or adapters. The job is moderate in difficulty and best suited to an HVAC technician or a confident DIYer comfortable with low-voltage circuits; always disconnect power at the breaker and confirm primary and secondary voltages before re-energizing. Genuine OEM Carrier parts guarantee exact compatibility and durability that generic aftermarket options can't match. Order before 3PM CST for same-day shipping and get your system back online fast. Trust authentic Carrier components for a dependable, lasting repair.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FB4CNF018L00ABAA.\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":62950846234995,"sku":"carrier-transformer-fb4cnf018l00abaa","price":49.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-transformer-fb4cnf018l00abaa","provider":"National HVAC Parts","version":"1.0","type":"link"}