{"product_id":"carrier-transformer-fb4bnf024008aaaa","title":"OEM Carrier Transformer TRANS003 for Model FB4BNF024008AAAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Transformer TRANS003 for Model FB4BNF024008AAAA\u003c\/h1\u003e\n\u003cp\u003eThis OEM Carrier transformer is the genuine low-voltage replacement transformer for your Carrier FB4BNF024008AAAA fan coil unit. It steps down incoming line voltage to the 24V control power that drives your thermostat, control board, contactor, and relays. A failed transformer usually presents as a dead, unresponsive thermostat, repeatedly blown low-voltage fuses, or a control circuit that won't energize. Built to exact factory specifications, this part supplies the correct VA rating, voltage, and terminal configuration for a precise fit in your air handler. Installation is a moderate DIY task for anyone comfortable working with power safely disconnected — attach the line-side leads and the labeled 24V secondary leads to the terminal block, about 20-30 minutes with basic tools. Always turn off power at the breaker before servicing. Choosing the authentic OEM Carrier transformer guarantees dependable performance and protects your equipment warranty over generic substitutes. This item is in stock and ships same-day on all orders placed before 3PM CST, reducing downtime and getting your system running again fast.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FB4BNF024008AAAA.\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":62951600652659,"sku":"carrier-transformer-fb4bnf024008aaaa","price":49.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-transformer-fb4bnf024008aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}