{"product_id":"carrier-transformer-fb4anf024000afaa","title":"OEM Carrier Transformer HT01BD223 for Model FB4ANF024000AFAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Transformer HT01BD223 for Model FB4ANF024000AFAA\u003c\/h1\u003e\n\u003cp\u003eThis genuine OEM Carrier transformer (part HT01BD223) steps line voltage down to the 24V control voltage that powers the thermostat, relays, and control board in your Carrier FB4ANF024000AFAA fan coil air handler. A failing transformer is a leading cause of a dead thermostat or a system that will not energize, so replacing it with the factory-spec part restores reliable low-voltage power and protects downstream controls. Built to Carrier's exact electrical specifications, it drops in without rewiring or modification. Installation is a moderate DIY job for anyone comfortable working around line voltage: disconnect power, note the wire leads, swap the unit, and reconnect. Most homeowners and technicians complete it in under 30 minutes. Using the correct OEM transformer ensures proper VA rating and prevents nuisance failures that aftermarket substitutes can cause. We keep this part in stock and ship same-day on orders placed before 3PM CST, so your repair stays on schedule. Order with confidence knowing you are getting an authentic Carrier replacement matched to your exact model.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FB4ANF024000AFAA.\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":62954097148275,"sku":"carrier-transformer-fb4anf024000afaa","price":44.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-transformer-fb4anf024000afaa","provider":"National HVAC Parts","version":"1.0","type":"link"}