{"product_id":"carrier-transformer-fb4cnf048015acaa","title":"OEM Carrier 24V Control Transformer for Model FB4CNF048015ACAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier 24V Control Transformer for Model FB4CNF048015ACAA\u003c\/h1\u003e\n\u003cp\u003eThis genuine OEM Carrier 24-volt control transformer is the exact factory replacement for the FB4CNF048015ACAA fan coil unit. The transformer steps down incoming line voltage to the low-voltage signal that powers your thermostat, control board, and 24V circuits. A failed transformer is one of the most common causes of a completely dead system, blown fuses, or a thermostat with no display. Built to Carrier's original specifications, this part ensures proper VA output and reliable operation specific to the FB4CNF048015ACAA. Installation is a moderate DIY job for those comfortable working around electrical components: disconnect power, note wiring, swap the unit, and reconnect. Most homeowners and any HVAC technician can complete it in under 30 minutes. Always verify power is off before servicing. Using the correct OEM transformer protects your control board and prevents recurring failures common with universal substitutes. In stock and ships same-day when ordered before 3PM CST. Order with confidence knowing you are receiving the precise part engineered for your Carrier system.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FB4CNF048015ACAA.\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":62950446858611,"sku":"carrier-transformer-fb4cnf048015acaa","price":39.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-transformer-fb4cnf048015acaa","provider":"National HVAC Parts","version":"1.0","type":"link"}