{"product_id":"carrier-transformer-fb4cnf048000abaa","title":"OEM Carrier 24V Control Transformer for Model FB4CNF048000ABAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier 24V Control Transformer for Model FB4CNF048000ABAA\u003c\/h1\u003e\n\u003cp\u003eThis genuine OEM Carrier 24-volt control transformer is the exact factory replacement for the FB4CNF048000ABAA fan coil unit. The transformer converts line voltage into the 24V low-voltage signal that powers your thermostat, control board, and the relays and contactors throughout the system. When it fails, you will typically see a completely unresponsive unit, a blank thermostat, or low-voltage fuses that blow immediately. Manufactured to Carrier's original specifications, this part delivers the proper VA output and reliable performance engineered for the FB4CNF048000ABAA. Installation is a moderate-difficulty job for those comfortable around electrical components: disconnect power, record the wiring layout, remove the old transformer, install the new one, and reconnect. Most jobs take under 30 minutes. Always confirm power is off before servicing. Choosing the correct OEM transformer safeguards your control board and avoids the repeat failures common with universal replacements. In stock and ships same-day when ordered before 3PM CST, so you can restore comfort quickly with the right part for your Carrier system.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FB4CNF048000ABAA.\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":62950466191731,"sku":"carrier-transformer-fb4cnf048000abaa","price":39.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-transformer-fb4cnf048000abaa","provider":"National HVAC Parts","version":"1.0","type":"link"}