{"product_id":"carrier-transformer-fb4bnl048000aaaa","title":"OEM Carrier Transformer HT01BD223 for FB4BNL048000AAAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Transformer HT01BD223 for FB4BNL048000AAAA\u003c\/h1\u003e\n\u003cp\u003eThis OEM Carrier transformer steps down incoming line voltage to the 24-volt control voltage that powers the thermostat, control board, and contactor in your Carrier FB4BNL048000AAAA fan coil unit. The low-voltage control circuit depends entirely on this component, so a failed transformer commonly results in a dead thermostat and a system that won't energize. Replacing it restores reliable power to the entire control circuit. Built to the exact primary and secondary voltage ratings of the FB4BNL048000AAAA, this transformer drops directly into the original mounting location for an accurate fit. Installation is moderate and recommended for a qualified HVAC technician: disconnect power, label and remove the primary and secondary leads, install the new unit, and reconnect. Most installers finish in under 30 minutes. Genuine OEM parts safeguard your equipment warranty and avoid the repeat failures often seen with universal replacements. In stock and ships same-day on orders placed before 3PM CST, so your air handler is back online fast. Order from NationalHVACParts.com today.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FB4BNL048000AAAA.\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":62951127187827,"sku":"carrier-transformer-fb4bnl048000aaaa","price":74.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-transformer-fb4bnl048000aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}