{"product_id":"carrier-transformer-fc4cnb054000aaaa","title":"OEM Carrier Transformer P291-2046 for Model FC4CNB054000AAAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Transformer P291-2046 for Model FC4CNB054000AAAA\u003c\/h1\u003e\n\u003cp\u003eThis OEM Carrier transformer (P291-2046) converts 208\/240V line power down to the 24V control voltage that runs your thermostat, contactor, and control board. It is a direct-fit replacement for the Carrier FC4CNB054000AAAA fan coil unit, restoring low-voltage control power when your air handler is unresponsive or has no signal at the thermostat. A burned-out transformer is a frequent cause of a dead control circuit and an affordable repair. Installation is moderate, typically 20-30 minutes: disconnect power, label the primary and secondary leads, swap them onto the new transformer, and remount to the factory bracket. Verify the VA rating matches your original part before energizing. Genuine Carrier parts guarantee correct specifications and dependable performance you can trust season after season. In stock and ready to ship same-day when you order before 3PM CST, so your system is back online quickly.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FC4CNB054000AAAA.\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":62947722854771,"sku":"carrier-transformer-fc4cnb054000aaaa","price":49.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-transformer-fc4cnb054000aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}