{"product_id":"carrier-transformer-fc4dnf036000aaaa","title":"OEM Carrier Transformer Replacement Part for Fan Coil Model FC4DNF036000AAAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Transformer Replacement Part for Fan Coil Model FC4DNF036000AAAA\u003c\/h1\u003e\n\u003cp\u003eThis OEM Carrier transformer is the exact replacement for the FC4DNF036000AAAA fan coil unit, converting incoming line voltage into the 24V control power that runs your thermostat, relays, and control board. A burned-out transformer leaves the entire low-voltage circuit dead — the blower won't start and the system ignores every thermostat call. Manufactured to Carrier's original specifications, this transformer delivers the correct secondary voltage and bolts in with the factory mounting pattern and terminal layout of the FC4DNF036000AAAA, so there's no adapting or rewiring like you'd face with a generic part. Installation is a moderate DIY task: shut off power at the disconnect, label and remove the existing wires, mount the replacement, and reconnect each lead to its original terminal. Most people with basic electrical skills finish in under an hour, though a licensed HVAC pro is recommended for line-voltage work. Choosing genuine Carrier protects reliability and your warranty. In stock now — orders before 3PM CST ship same day.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FC4DNF036000AAAA.\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":62947287040371,"sku":"carrier-transformer-fc4dnf036000aaaa","price":44.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-transformer-fc4dnf036000aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}