{"product_id":"carrier-transformer-fb4anf048000afaa","title":"OEM Carrier Transformer 24V Control for Model FB4ANF048000AFAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Transformer 24V Control for Model FB4ANF048000AFAA\u003c\/h1\u003e\n\u003cp\u003eThis genuine OEM Carrier transformer steps line voltage down to the 24V control voltage that powers the thermostat, control board, and relays in your Carrier FB4ANF048000AFAA fan coil unit. If your thermostat goes dark, the system won't respond to calls for heating or cooling, or a blown low-voltage fuse keeps recurring, a failed transformer is a frequent cause. This direct-fit replacement matches the original primary and secondary voltage ratings and VA capacity for safe, reliable operation. Restoring proper control voltage protects sensitive board electronics and ensures your equipment responds correctly to thermostat commands. Installation is moderate difficulty and best handled by an HVAC professional, typically taking 20 to 30 minutes after power is disconnected and wiring is labeled. Always verify voltage ratings before wiring. Genuine Carrier parts ensure exact fit and avoid the reliability issues of generic transformers. In stock now. Orders placed before 3PM CST ship same-day to get your system responsive again fast.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FB4ANF048000AFAA.\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":62953120661875,"sku":"carrier-transformer-fb4anf048000afaa","price":59.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-transformer-fb4anf048000afaa","provider":"National HVAC Parts","version":"1.0","type":"link"}