{"product_id":"carrier-transformer-fc4bnb054000agaa","title":"OEM Carrier Transformer Replacement for Model FC4BNB054000AGAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Transformer Replacement for Model FC4BNB054000AGAA\u003c\/h1\u003e\n\u003cp\u003eThis genuine OEM Carrier transformer steps down line voltage to the low-voltage power your FC4BNB054000AGAA fan coil needs to run its control board, relays, and thermostat circuit. A failed transformer is a common cause of a completely unresponsive system, blown low-voltage fuses, or a thermostat with no display, because nothing downstream receives power. Built to Carrier's exact primary and secondary voltage and VA specifications, this replacement fits the FC4BNB054000AGAA directly and reestablishes stable 24V control power. Installation is a moderate task for confident DIYers and HVAC technicians: disconnect power at the breaker, photograph and label the primary and secondary leads, mount the new transformer, and reconnect each wire to the correct terminal. The job typically takes 20 to 30 minutes with basic tools. Choosing the genuine OEM transformer ensures correct voltage output and reliable long-term operation versus universal alternatives. This part is in stock and ships the same day on orders placed before 3PM CST.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FC4BNB054000AGAA.\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":62949131420019,"sku":"carrier-transformer-fc4bnb054000agaa","price":52.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-transformer-fc4bnb054000agaa","provider":"National HVAC Parts","version":"1.0","type":"link"}