{"product_id":"carrier-transformer-fa4cnf048010aaaa","title":"OEM Carrier Transformer TRANS-FA4CNF048 for Model FA4CNF048010AAAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Transformer TRANS-FA4CNF048 for Model FA4CNF048010AAAA\u003c\/h1\u003e\n\u003cp\u003eThis OEM Carrier transformer steps down incoming line voltage to the low-voltage 24V control circuit that powers your thermostat, contactor coil, and safety controls on the FA4CNF048010AAAA fan coil. When the 24V supply fails, your system won't respond to thermostat calls — the blower stays off and cooling or heating never starts. Installing a genuine Carrier transformer restores reliable control power and protects downstream components from voltage irregularities. This part is engineered to exact factory specifications for the FA4CNF048010AAAA, ensuring proper VA rating, mounting, and wiring terminals for a clean fit. Installation is moderate difficulty: a qualified HVAC technician can swap it in under 30 minutes with the power disconnected. Always verify primary and secondary voltage before energizing. We stock genuine Carrier components, not aftermarket substitutes, so you get OEM reliability and full compatibility. Orders placed before 3PM CST ship same-day, getting your fan coil back online fast. Backed by our HVAC parts expertise and fast fulfillment.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FA4CNF048010AAAA.\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":62955270701427,"sku":"carrier-transformer-fa4cnf048010aaaa","price":54.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-transformer-fa4cnf048010aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}