{"product_id":"carrier-transformer-fb4cnp048l10abaa","title":"OEM Carrier Transformer for Model FB4CNP048L10ABAA Air Handler","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Transformer for Model FB4CNP048L10ABAA Air Handler\u003c\/h1\u003e\n\u003cp\u003eBring control power back to your FB4CNP048L10ABAA Carrier fan coil with this genuine OEM transformer. The transformer steps line voltage down to the 24V signal that operates the thermostat, contactors, and control board; a burned-out transformer leaves the control circuit dead and the air handler unable to call for heat or cool. Built to Carrier factory specifications, it delivers the precise VA capacity and secondary voltage your unit was designed for, keeping downstream electronics protected and stable. Installation is a moderate, DIY-friendly job for those at ease with power safely disconnected: open the disconnect, photograph and transfer the primary and secondary wiring, remount the transformer, and verify the 24V output. Typical replacement takes 20–30 minutes using common hand tools. Selecting the OEM part guarantees an exact fit and dependable operation, avoiding the nuisance faults that plague universal replacements. This transformer is in stock and ready to ship — place your order before 3PM CST and it goes out the same day, getting your system running again fast.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FB4CNP048L10ABAA.\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":62949924831603,"sku":"carrier-transformer-fb4cnp048l10abaa","price":34.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-transformer-fb4cnp048l10abaa","provider":"National HVAC Parts","version":"1.0","type":"link"}