{"product_id":"carrier-transformer-fb4anf024008afaa","title":"OEM Carrier Transformer P291-0341 for Model FB4ANF024008AFAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Transformer P291-0341 for Model FB4ANF024008AFAA\u003c\/h1\u003e\n\u003cp\u003eThis genuine Carrier transformer (P291-0341) steps down line voltage to the 24V control voltage your FB4ANF024008AFAA fan coil needs to power the thermostat, control board, and relays. When a transformer fails, the entire low-voltage control circuit goes dead — no thermostat display, no blower call, no cooling. This OEM unit is matched to the exact VA rating and primary\/secondary taps Carrier specified for the FB4ANF024008AFAA, ensuring reliable control power without nuisance trips. Installation is a moderate-difficulty job best suited to an HVAC tech: shut off power, label and transfer the primary and secondary leads, and mount the new transformer to the panel — typically 30 to 45 minutes. A blown fuse often accompanies a failed transformer, so inspect the control board fuse during the swap. Genuine OEM parts protect your equipment warranty and ensure proper fit. In stock and ready to ship same-day on orders placed before 3PM CST so your system gets back online quickly.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FB4ANF024008AFAA.\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":62954019586419,"sku":"carrier-transformer-fb4anf024008afaa","price":34.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-transformer-fb4anf024008afaa","provider":"National HVAC Parts","version":"1.0","type":"link"}