{"product_id":"carrier-transformer-fa4bnf048015aaaa","title":"OEM Carrier Transformer Part for Air Handler Model FA4BNF048015AAAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Transformer Part for Air Handler Model FA4BNF048015AAAA\u003c\/h1\u003e\n\u003cp\u003eThis OEM Carrier transformer steps the incoming line voltage down to the 24V control voltage that powers the thermostat, control board, contactor, and safety circuits in your FA4BNF048015AAAA air handler. When a transformer fails, the system goes completely dead — no thermostat display, no fan, no cooling — even though high-voltage power is present. Installing a genuine Carrier transformer restores reliable 24V output and protects downstream low-voltage components from over- and under-voltage damage. This is a direct factory-spec replacement engineered for the exact mounting footprint, primary\/secondary tap configuration, and VA rating of your unit, so there is no guesswork. Installation is moderate and best handled by an HVAC technician: shut off power, label and transfer the primary and secondary leads, and remount. Most techs complete the swap in 20–30 minutes. Buy with confidence — genuine OEM parts mean correct fit and full performance. Ships same-day when ordered before 3PM CST so your repair stays on schedule.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FA4BNF048015AAAA.\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":62956129714547,"sku":"carrier-transformer-fa4bnf048015aaaa","price":39.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-transformer-fa4bnf048015aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}