{"product_id":"carrier-control-board-gb1aav036111agja","title":"OEM Carrier Control Board HK42FZ011 for GB1AAV036111AGJA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Control Board HK42FZ011 for GB1AAV036111AGJA\u003c\/h1\u003e\n\u003cp\u003eThe genuine OEM Carrier furnace control board (HK42FZ011) governs the entire heating sequence on your unit — ignition timing, blower on\/off delays, safety lockouts, and signal handling between the thermostat, igniter, gas valve, and limit switches. When this board fails, you'll see no heat, intermittent cycling, blower issues, or a flashing diagnostic LED fault code. This factory-fit replacement is programmed and terminal-matched to the exact requirements of the Carrier GB1AAV036111AGJA, delivering correct relay logic and timing without the guesswork of a universal kit. Installation is a moderate job: snap a photo of the existing wiring, disconnect power, move each connector to the corresponding terminal on the new board, and secure it in the factory tray. After restoring power, confirm the LED shows a steady heartbeat with no error flashes. The correct OEM board restores safe, reliable operation and protects the rest of your control circuit. In stock and ships same-day on orders before 3PM CST.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model GB1AAV036111AGJA.\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":62942798250355,"sku":"carrier-control-board-gb1aav036111agja","price":162.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-gb1aav036111agja.jpg?v=1781467555","url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-gb1aav036111agja","provider":"National HVAC Parts","version":"1.0","type":"link"}