{"product_id":"carrier-transformer-ff1dna030005aaaa","title":"OEM Carrier Transformer for Model FF1DNA030005AAAA Fan Coil Unit","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Transformer for Model FF1DNA030005AAAA Fan Coil Unit\u003c\/h1\u003e\n\u003cp\u003eThis genuine OEM Carrier transformer is the factory replacement for the FF1DNA030005AAAA fan coil air handler. The transformer steps incoming line voltage down to the 24V low-voltage control power that drives your thermostat, control board, and contactor circuits. When a transformer fails, the system typically becomes completely unresponsive — a blank thermostat, no blower, and no cooling — making this a critical part for normal operation. Engineered to the exact VA rating and voltage specifications of the FF1DNA030005AAAA, it provides stable control power and reliable system startup. Installation is a moderate-difficulty job suited to an HVAC professional, requiring correct primary and secondary terminal connections; always disconnect power at the breaker and label the leads before removal. The genuine OEM transformer ensures correct fit and protects your equipment warranty. In stock and ships same-day when ordered before 3PM CST. Order now to restore control power and get your Carrier air handler running again quickly.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FF1DNA030005AAAA.\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":62946650095987,"sku":"carrier-transformer-ff1dna030005aaaa","price":34.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-transformer-ff1dna030005aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}