{"product_id":"carrier-transformer-fb4anf024005afaa","title":"OEM Carrier Transformer P291-0341 for Model FB4ANF024005AFAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Transformer P291-0341 for Model FB4ANF024005AFAA\u003c\/h1\u003e\n\u003cp\u003eThis genuine Carrier transformer (P291-0341) converts incoming line voltage to the 24V control voltage that powers the thermostat, control board, and relays in your FB4ANF024005AFAA fan coil. A failed transformer kills the entire low-voltage circuit, leaving you with a blank thermostat and a system that won't respond to a cooling call. This OEM part matches the precise VA rating and tap configuration Carrier engineered for the FB4ANF024005AFAA, delivering stable control power without nuisance trips or fuse blows. Replacement is a moderate-difficulty task best handled by an HVAC tech: shut off power, label and transfer the primary and secondary leads, and mount the new transformer — usually 30 to 45 minutes. Since a blown control-board fuse frequently accompanies transformer failure, inspect and replace it during the swap. Genuine OEM parts safeguard your equipment and warranty. In stock and ready to ship same-day on orders placed before 3PM CST so your system gets back up and running quickly.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FB4ANF024005AFAA.\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":62954033807731,"sku":"carrier-transformer-fb4anf024005afaa","price":34.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-transformer-fb4anf024005afaa","provider":"National HVAC Parts","version":"1.0","type":"link"}