{"product_id":"carrier-transformer-fa4cnc048008aaaa","title":"OEM Carrier Transformer HT01BD223 for Model FA4CNC048008AAAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Transformer HT01BD223 for Model FA4CNC048008AAAA\u003c\/h1\u003e\n\u003cp\u003eRestore proper low-voltage control power to your Carrier FA4CNC048008AAAA with this genuine OEM transformer (HT01BD223). The transformer steps down incoming line voltage to the 24V needed to operate your thermostat, control board, relays, and contactor. When it fails, your system goes completely unresponsive — no cooling, no thermostat display, no call for the fan. This OEM replacement is built to Carrier's exact primary and secondary voltage and VA ratings, ensuring a precise electrical and physical fit on the FA4CNC048008AAAA fan coil. Using the correct transformer protects your control board from under- or over-voltage damage and keeps the whole 24V circuit stable. Installation is rated moderate: an experienced DIYer or technician can swap it in about 30 minutes by matching the wire leads and mounting bracket, always with power disconnected at the breaker. This is a new, authentic Carrier part, not an aftermarket equivalent. Place your order before 3PM CST and it ships the same day, getting your HVAC system back in service quickly. Questions on fit? Our parts team is ready to help.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FA4CNC048008AAAA.\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":62955753931123,"sku":"carrier-transformer-fa4cnc048008aaaa","price":44.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-transformer-fa4cnc048008aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}