{"product_id":"carrier-transformer-fc4dnf060015aaaa","title":"OEM Carrier Transformer HT01BD223 for Model FC4DNF060015AAAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Transformer HT01BD223 for Model FC4DNF060015AAAA\u003c\/h1\u003e\n\u003cp\u003eThis genuine OEM Carrier transformer (HT01BD223) steps line voltage down to the 24V control power that drives the board, thermostat, relays, and contactor in your Carrier FC4DNF060015AAAA fan coil. If your air handler has gone dead, the thermostat won't power on, or the system ignores calls for heating and cooling, a failed control transformer is a prime suspect — and an inexpensive fix compared to the symptoms it causes. Manufactured to Carrier's exact specifications, this transformer provides the precise secondary voltage your equipment requires for safe and stable operation, free of the risks that come with off-brand substitutes. It's a direct-fit replacement that mounts on the original bracket and matches the existing terminal layout, so no rewiring is needed. Installation is moderate; an HVAC tech is ideal, but a careful DIYer with a multimeter and low-voltage know-how can complete it in under an hour. Always disconnect power before servicing. We stock this transformer for immediate dispatch — order before 3PM CST and it ships the same business day to get you running.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FC4DNF060015AAAA.\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":62947186671987,"sku":"carrier-transformer-fc4dnf060015aaaa","price":49.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-transformer-fc4dnf060015aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}