{"product_id":"carrier-transformer-fb4bnf018000aaaa","title":"OEM Carrier Transformer Replacement for Model FB4BNF018000AAAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Transformer Replacement for Model FB4BNF018000AAAA\u003c\/h1\u003e\n\u003cp\u003eBring reliable control power back to your Carrier FB4BNF018000AAAA fan coil with this genuine OEM transformer. The transformer reduces incoming line voltage to the low-voltage 24V signal that powers the thermostat, control board, and relay coils. When it fails, you'll typically see a blank thermostat, an unresponsive control board, or a system that won't start on a call for heating or cooling. Made to Carrier's exact primary and secondary voltage and amperage specifications for the FB4BNF018000AAAA, this transformer supplies stable control power and protects downstream electronics from voltage problems. It mounts in the factory position and wires in using the original leads for a clean, direct fit. Installation is moderate difficulty and involves line-voltage wiring, so it's best for an experienced DIYer or HVAC technician — always cut power at the breaker first and confirm correct lead polarity before restoring power. With the proper OEM transformer in place, your control circuit runs dependably again. In stock and ships same-day on orders before 3PM CST so your repair stays on track.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FB4BNF018000AAAA.\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":62951667401075,"sku":"carrier-transformer-fb4bnf018000aaaa","price":44.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-transformer-fb4bnf018000aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}