{"product_id":"carrier-transformer-fa4anf048000afaa","title":"OEM Carrier Transformer EF18 24V for Model FA4ANF048000AFAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Transformer EF18 24V for Model FA4ANF048000AFAA\u003c\/h1\u003e\n\u003cp\u003eThis genuine OEM Carrier transformer steps line voltage down to the 24-volt control power that runs the thermostat, control board, and relays in your Carrier FA4ANF048000AFAA fan coil. When the transformer fails, your system loses all low-voltage control: a dead thermostat, an unresponsive board, or repeatedly blown fuses are classic symptoms. This factory-spec replacement restores stable 24V output so your equipment communicates and operates correctly. Built to the exact VA rating and mounting pattern of the original, it drops into the FA4ANF048000AFAA without rewiring or adapters, avoiding the mismatched-load problems that plague generic transformers. Installation is moderate and best left to an HVAC professional: kill power at the disconnect, label primary and secondary leads, mount the new transformer, and reconnect to matching terminals. Most installs take 20-30 minutes. Confirm primary voltage and VA against your old unit before wiring. In stock and ships same-day when ordered before 3PM CST, so your control circuit is back up fast. Our team is available to help confirm compatibility.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FA4ANF048000AFAA.\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":62957492633971,"sku":"carrier-transformer-fa4anf048000afaa","price":54.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-transformer-fa4anf048000afaa","provider":"National HVAC Parts","version":"1.0","type":"link"}