{"product_id":"carrier-transformer-fa4bnf042015aaaa","title":"OEM Carrier Transformer for Model FA4BNF042015AAAA Fan Coil Unit","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Transformer for Model FA4BNF042015AAAA Fan Coil Unit\u003c\/h1\u003e\n\u003cp\u003eThis genuine OEM Carrier transformer is the exact replacement designed for the FA4BNF042015AAAA fan coil unit. The transformer steps line voltage down to the 24V control circuit that powers your thermostat, contactor, and control board. When a transformer fails, the system loses all low-voltage control power and the unit will not respond to thermostat calls. Installing the correct factory-spec transformer restores reliable 24V output and protects downstream control components from voltage irregularities. This part is a direct fit for the Carrier FA4BNF042015AAAA, mounting in the original location with matching primary and secondary leads. Installation is moderate and best handled by a qualified HVAC technician: disconnect power, note the wiring, swap the unit, and verify 24V output with a meter. Using a genuine OEM transformer ensures correct VA rating and long service life versus generic substitutes. In stock and ready to ship. Orders placed before 3PM CST ship same-day, so you can get your system back online fast.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FA4BNF042015AAAA.\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":62956206686579,"sku":"carrier-transformer-fa4bnf042015aaaa","price":39.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-transformer-fa4bnf042015aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}