{"product_id":"carrier-transformer-fb4cnf036015abaa","title":"OEM Carrier Transformer for Model FB4CNF036015ABAA Air Handler","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Transformer for Model FB4CNF036015ABAA Air Handler\u003c\/h1\u003e\n\u003cp\u003eThis genuine OEM Carrier transformer is the correct factory control component for the FB4CNF036015ABAA fan coil air handler. It converts incoming line voltage down to the 24V control voltage that powers the thermostat, relays, and low-voltage circuit. When a transformer fails, the entire control side of the unit goes dead — no thermostat response, no contactor pull-in — so installing the exact Carrier-specified replacement is the fastest way to restore proper operation. Matched to the original VA rating, lead configuration, and mounting bracket, it installs directly into the FB4CNF036015ABAA with no modifications. The job is moderate in difficulty: cut power at the breaker, label and move the primary and secondary wires, secure the new transformer, and reconnect. Verify line and control voltage with a multimeter before powering up. Choosing a true OEM part safeguards your control board and keeps your Carrier equipment within spec. We keep this transformer in stock and ship same-day on orders placed before 3PM CST.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FB4CNF036015ABAA.\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":62950595133811,"sku":"carrier-transformer-fb4cnf036015abaa","price":49.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-transformer-fb4cnf036015abaa","provider":"National HVAC Parts","version":"1.0","type":"link"}