{"product_id":"carrier-transformer-fb4cnf018l05acaa","title":"OEM Carrier Transformer FB4CNF018L05ACAA for Model FB4CNF018L05ACAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Transformer FB4CNF018L05ACAA for Model FB4CNF018L05ACAA\u003c\/h1\u003e\n\u003cp\u003eKeep your air handler powered with this genuine OEM Carrier transformer, the factory low-voltage transformer designed for the FB4CNF018L05ACAA fan coil unit. This component converts line voltage to the 24V supply that energizes your thermostat, control board, and control circuits—without it, the system can't respond to any call for heating or cooling. Built to Carrier's exact VA capacity and voltage specifications, this transformer installs as a direct-fit replacement in the FB4CNF018L05ACAA with no modifications required. Installation is moderately difficult and best performed by an HVAC professional or experienced DIYer; remember to shut off power at the breaker and verify primary and secondary voltage readings before reconnecting. Authentic OEM Carrier parts provide the guaranteed fit and long-term reliability that cheaper aftermarket transformers can't deliver. Order before 3PM CST and your part ships the same day, reducing costly system downtime. Choose genuine Carrier replacements to keep your fan coil running smoothly for years.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FB4CNF018L05ACAA.\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":62950846202227,"sku":"carrier-transformer-fb4cnf018l05acaa","price":49.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-transformer-fb4cnf018l05acaa","provider":"National HVAC Parts","version":"1.0","type":"link"}