{"product_id":"carrier-transformer-gb1aav024045afja","title":"OEM Carrier Furnace Transformer Replacement for Model GB1AAV024045AFJA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Furnace Transformer Replacement for Model GB1AAV024045AFJA\u003c\/h1\u003e\n\u003cp\u003eThis OEM Carrier transformer steps line voltage down to the 24-volt control circuit that powers the thermostat, control board, gas valve, and relays in your Carrier GB1AAV024045AFJA furnace. When the transformer fails or its internal fuse trips, the entire low-voltage system goes dead: no thermostat display, no ignition, and no response from the furnace. A genuine OEM transformer provides the correct primary and secondary voltage and VA rating for the GB1AAV024045AFJA, ensuring stable control power without overloading. Generic transformers with the wrong VA rating can cause intermittent operation. Installation is rated moderate: shut off power at the breaker, label and disconnect the primary and secondary leads, unbolt the transformer, and wire in the replacement matching the original terminals. Most installs take 20 to 30 minutes. Always confirm primary voltage and color-coded leads before energizing. Orders placed before 3PM CST ship same-day, restoring your control circuit quickly with a dependable genuine Carrier transformer.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model GB1AAV024045AFJA.\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":62942835933555,"sku":"carrier-transformer-gb1aav024045afja","price":39.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-carrier-transformer-gb_4f9e7512-da16-4706-94cc-0105049438c2.jpg?v=1781469688","url":"https:\/\/nationalhvacparts.com\/products\/carrier-transformer-gb1aav024045afja","provider":"National HVAC Parts","version":"1.0","type":"link"}