{"product_id":"carrier-transformer-fc4cnf036000aaaa","title":"OEM Carrier Transformer Replacement for Model FC4CNF036000AAAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Transformer Replacement for Model FC4CNF036000AAAA\u003c\/h1\u003e\n\u003cp\u003eThis genuine OEM Carrier transformer is the factory replacement for the FC4CNF036000AAAA fan coil unit. The transformer steps incoming line voltage down to the low-voltage control circuit (typically 24V) that drives your thermostat, control board, and relays. A failed transformer takes the entire control system offline: no thermostat display, no blower response, and no operation even when high-voltage power is reaching the unit. This OEM transformer is rated to the exact primary and secondary voltages and VA capacity Carrier specified for the FC4CNF036000AAAA, providing stable control power and shielding downstream components from undervoltage damage. Installation is a moderate task for those comfortable with low-voltage wiring: shut off power, label and transfer the primary and secondary leads, and fasten the new transformer to the existing bracket. Most technicians finish in 20 to 30 minutes. Always confirm power is off at the breaker before touching any wiring. Order before 3PM CST and your transformer ships same-day to minimize downtime.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FC4CNF036000AAAA.\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":62947545252211,"sku":"carrier-transformer-fc4cnf036000aaaa","price":39.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-transformer-fc4cnf036000aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}