{"product_id":"carrier-transformer-fy5bnf018l00aaaa","title":"OEM Carrier Transformer for Model FY5BNF018L00AAAA Fan Coil Unit","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Transformer for Model FY5BNF018L00AAAA Fan Coil Unit\u003c\/h1\u003e\n\u003cp\u003eThis OEM Carrier transformer is the genuine factory replacement for the FY5BNF018L00AAAA fan coil unit. The transformer reduces incoming line voltage to the 24V low-voltage power that drives the thermostat, control board, and system relays. A dead fan coil, a blank thermostat, or a blower that won't respond to a demand are all classic symptoms of a failed transformer. Manufactured to Carrier's exact specifications, this part outputs the correct secondary voltage and uses the proper terminal configuration for a true direct fit in the FY5BNF018L00AAAA — no adapters or rewiring needed. It's a simple, beginner-friendly repair for most technicians: cut the power, transfer the leads, and mount the unit, generally in under 20 minutes. A genuine OEM transformer protects your control board and downstream electronics from the voltage instability that low-quality aftermarket parts can cause. We keep this part in stock and ship quickly. Order before 3PM CST for same-day shipping. Our HVAC parts team is available to verify compatibility with your unit before you order.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FY5BNF018L00AAAA.\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":62942873223539,"sku":"carrier-transformer-fy5bnf018l00aaaa","price":49.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-carrier-transformer-fy_51e6b76c-386c-4f20-820c-a204631c3980.jpg?v=1781473831","url":"https:\/\/nationalhvacparts.com\/products\/carrier-transformer-fy5bnf018l00aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}