{"product_id":"carrier-transformer-fx4dnf025l05abaa","title":"OEM Carrier Transformer for Carrier Fan Coil Model FX4DNF025L05ABAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Transformer for Carrier Fan Coil Model FX4DNF025L05ABAA\u003c\/h1\u003e\n\u003cp\u003eThis OEM Carrier transformer is the factory replacement for the FX4DNF025L05ABAA fan coil unit, supplying the 24V low-voltage power that runs your control board, thermostat, and contactor. Without a working transformer the entire control circuit goes dead, which often shows up as a blank thermostat or a system that simply won't respond to a call for heating or cooling. Because this is the genuine Carrier component, it matches the original output voltage, terminal layout, and mounting bracket exactly, eliminating the compatibility and reliability concerns that come with generic substitutes. Replacing it is a moderate DIY repair: disconnect power at the breaker, photograph the lead positions, move the primary and secondary wires over one at a time, and secure the new transformer in place. The job usually takes well under half an hour with a screwdriver and a wire connector or two. Getting the right OEM part the first time saves a callback and keeps your FX4DNF025L05ABAA operating as designed. We keep these in stock, and orders placed before 3PM CST ship the same business day.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FX4DNF025L05ABAA.\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":62942886330739,"sku":"carrier-transformer-fx4dnf025l05abaa","price":44.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-carrier-transformer-fx_a91be66c-ef34-4d4d-ac58-ed76a50f4827.jpg?v=1781473587","url":"https:\/\/nationalhvacparts.com\/products\/carrier-transformer-fx4dnf025l05abaa","provider":"National HVAC Parts","version":"1.0","type":"link"}