{"product_id":"carrier-transformer-fb4cnf030000acaa","title":"OEM Carrier Transformer 40VA 24V for Model FB4CNF030000ACAA Unit","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Transformer 40VA 24V for Model FB4CNF030000ACAA Unit\u003c\/h1\u003e\n\u003cp\u003eThis OEM Carrier transformer steps line voltage down to the regulated 24 volts that power the thermostat, contactor, and control board in your FB4CNF030000ACAA fan coil. A burned-out transformer commonly leaves the system completely dead with no thermostat display and no call for cooling, so it is a frequent and worthwhile part to test first. Built to genuine Carrier factory specifications, this replacement matches the original primary and secondary leads and bolt pattern, allowing a true drop-in fit with no rewiring or adapters. Most installations finish in under 30 minutes with basic hand tools after power is disconnected at the unit. Choosing the authentic OEM transformer protects your costly control board and keeps your Carrier system within performance and warranty specifications. Confirm the existing VA rating before ordering to ensure a proper match. Every order placed before 3PM CST ships the same business day from our US warehouse so your fan coil is back up quickly. Backed by our exact-fit guarantee for the FB4CNF030000ACAA platform.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FB4CNF030000ACAA.\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":62950659850611,"sku":"carrier-transformer-fb4cnf030000acaa","price":49.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-transformer-fb4cnf030000acaa","provider":"National HVAC Parts","version":"1.0","type":"link"}