{"product_id":"carrier-transformer-fb4cnf042t15abaa","title":"OEM Carrier 24V Control Transformer for Model FB4CNF042T15ABAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier 24V Control Transformer for Model FB4CNF042T15ABAA\u003c\/h1\u003e\n\u003cp\u003eThis genuine OEM Carrier 24-volt control transformer is the precise factory replacement for the FB4CNF042T15ABAA fan coil unit. It steps high-voltage line power down to the low-voltage signal that energizes your thermostat, control board, and 24V circuits. A bad transformer is one of the most frequent reasons for a dead system, a blank thermostat display, or low-voltage fuses that blow repeatedly. Built to Carrier's original engineering specifications, this transformer provides the correct VA rating and reliable operation matched to the FB4CNF042T15ABAA. Installation is a moderate DIY project for anyone comfortable with basic electrical work: shut off power, photograph the wiring, remove the failed transformer, install the replacement, and reconnect the leads. Most installs are done in 20 to 30 minutes. Always ensure power is disconnected before you start. Using the OEM transformer instead of a universal part protects your control board and prevents the nuisance failures caused by incorrect VA output. In stock and ships same-day on orders placed before 3PM CST for a fast, dependable repair.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FB4CNF042T15ABAA.\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":62950466388339,"sku":"carrier-transformer-fb4cnf042t15abaa","price":39.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-transformer-fb4cnf042t15abaa","provider":"National HVAC Parts","version":"1.0","type":"link"}