{"product_id":"carrier-transformer-fb4cnp030l08aaaa","title":"OEM Carrier Transformer Replacement for Model FB4CNP030L08AAAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Transformer Replacement for Model FB4CNP030L08AAAA\u003c\/h1\u003e\n\u003cp\u003eThis OEM Carrier transformer reduces line voltage to the 24V control voltage required by the control board, thermostat, and relays in your FB4CNP030L08AAAA fan coil air handler. A failed transformer is one of the most common reasons for a completely dead control circuit, a blank thermostat, or a unit that won't respond to any setting change. Installing a genuine Carrier transformer restores proper secondary voltage and safeguards the downstream electronics it supplies. This part is matched to the FB4CNP030L08AAAA's VA rating and mounting pattern for a precise, no-modification fit. It's a relatively easy repair for a qualified technician: kill the power, note the primary and secondary lead colors, replace the transformer, and verify 24V output before reconnecting. OEM ensures you avoid the mismatched ratings and wiring guesswork of universal parts. Order before 3PM CST and we ship the same day, so your air handler is back in service fast. Each transformer ships new and ready to install with genuine Carrier reliability.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FB4CNP030L08AAAA.\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":62950087623027,"sku":"carrier-transformer-fb4cnp030l08aaaa","price":44.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-transformer-fb4cnp030l08aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}