{"product_id":"carrier-transformer-fb4cnp042l15aaaa","title":"OEM Carrier Transformer ET01EZ238 for Model FB4CNP042L15AAAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Transformer ET01EZ238 for Model FB4CNP042L15AAAA\u003c\/h1\u003e\n\u003cp\u003eThis OEM Carrier transformer (ET01EZ238) converts incoming line voltage to the 24V control voltage required by the thermostat, control board, and relays in the Carrier FB4CNP042L15AAAA fan coil unit. If your air handler is totally unresponsive, the thermostat screen is blank, or the blower won't energize, a burned-out transformer is one of the first parts to check. This genuine Carrier component is built to factory voltage and VA specifications, ensuring stable control power and protecting downstream electronics from undervoltage faults. Installation is a moderate job suited to a licensed HVAC professional: disconnect power, label and remove the primary and secondary wiring, mount the replacement, and reconnect the leads exactly. Inspect for shorted low-voltage wiring before installing to prevent a repeat failure. The OEM transformer guarantees correct fit and dependable performance the generics can't match. We stock this part and ship same-day on every order placed before 3PM CST, keeping your repair moving. Restore reliable control power to your FB4CNP042L15AAAA with the correct Carrier part.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FB4CNP042L15AAAA.\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":62950021890419,"sku":"carrier-transformer-fb4cnp042l15aaaa","price":49.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-transformer-fb4cnp042l15aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}