{"product_id":"carrier-transformer-fb4cnf042l15abaa","title":"OEM Carrier 24V Control Transformer for Model FB4CNF042L15ABAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier 24V Control Transformer for Model FB4CNF042L15ABAA\u003c\/h1\u003e\n\u003cp\u003eThis genuine OEM Carrier 24-volt control transformer is the precise factory replacement for the FB4CNF042L15ABAA fan coil unit. It converts line voltage into the low-voltage signal that powers your thermostat, control board, and the 24V relays and contactors in your system. When a transformer fails, you will usually notice a totally unresponsive unit, a blank thermostat, or low-voltage fuses that blow immediately. Built to Carrier's original specifications, this transformer delivers the correct VA rating and dependable operation engineered specifically for the FB4CNF042L15ABAA. Installation is a moderate-difficulty job for those comfortable working with electrical components: cut power at the disconnect, document the wiring, detach the old transformer, install the new one, and reconnect the leads. Expect about 20 to 30 minutes. Always verify power is off before beginning. Choosing the OEM transformer over a generic substitute protects your control board and prevents the repeat failures that come from incorrect VA output. In stock and ships same-day on orders before 3PM CST for a quick, reliable fix.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FB4CNF042L15ABAA.\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":62950466617715,"sku":"carrier-transformer-fb4cnf042l15abaa","price":39.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-transformer-fb4cnf042l15abaa","provider":"National HVAC Parts","version":"1.0","type":"link"}