{"product_id":"carrier-transformer-fb4cnf036000acaa","title":"OEM Carrier Transformer for Model FB4CNF036000ACAA Air Handler","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Transformer for Model FB4CNF036000ACAA Air Handler\u003c\/h1\u003e\n\u003cp\u003eThis genuine OEM Carrier transformer is the correct factory control part for the FB4CNF036000ACAA fan coil air handler. It reduces incoming line voltage to the 24V control voltage that energizes the thermostat, low-voltage relays, and contactor coil so the system can call for heating or cooling. A failed transformer is a leading cause of a dead air handler with no thermostat response, and replacing it with the exact Carrier-specified component eliminates the trial-and-error of generic substitutes. Engineered to the original VA rating, lead layout, and mounting dimensions, it installs directly into the FB4CNF036000ACAA without any modification. The replacement is a moderate job: disconnect power at the breaker, label and transfer the primary and secondary leads, mount the new transformer, reconnect, and verify 24V output with a meter before restoring power. Genuine OEM parts protect your control board and keep the system operating to Carrier spec. We stock this transformer and ship same-day on all orders placed before 3PM CST.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FB4CNF036000ACAA.\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":62950595363187,"sku":"carrier-transformer-fb4cnf036000acaa","price":49.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-transformer-fb4cnf036000acaa","provider":"National HVAC Parts","version":"1.0","type":"link"}