{"product_id":"carrier-transformer-fb4bnl060000aaaa","title":"OEM Carrier Transformer HT01BD223 for Model FB4BNL060000AAAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Transformer HT01BD223 for Model FB4BNL060000AAAA\u003c\/h1\u003e\n\u003cp\u003eThis OEM Carrier transformer steps down incoming line voltage to the 24-volt control voltage that powers the thermostat, contactor, and control board in your Carrier FB4BNL060000AAAA fan coil unit. A failed transformer is one of the most common causes of a dead thermostat or a system that won't energize, so replacing it restores reliable low-voltage power across the entire control circuit. This part is engineered to the exact electrical specifications of the FB4BNL060000AAAA, ensuring correct primary and secondary voltage ratings and a direct-fit mount. Installation is moderate and best handled by a qualified HVAC technician: shut off power, disconnect the primary and secondary leads, swap the transformer, and reconnect. Most experienced installers complete the job in under 30 minutes. Using a genuine OEM Carrier transformer protects your equipment warranty and avoids the nuisance failures common with universal replacements. In stock and ships same-day when ordered before 3PM CST, so you can get your air handler back online fast. Order with confidence from NationalHVACParts.com.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FB4BNL060000AAAA.\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":62951126696307,"sku":"carrier-transformer-fb4bnl060000aaaa","price":74.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-transformer-fb4bnl060000aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}