{"product_id":"carrier-control-board-gb1aav048135afja","title":"OEM Carrier Control Board HK42FZ011 for Model GB1AAV048135AFJA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Control Board HK42FZ011 for Model GB1AAV048135AFJA\u003c\/h1\u003e\n\u003cp\u003eThe OEM Carrier furnace control board (HK42FZ011) is the central command module of your Carrier GB1AAV048135AFJA gas furnace, orchestrating ignition timing, blower operation, safety lockouts, and thermostat communication. A failed board can leave the furnace completely unresponsive, cause erratic blower behavior, or display a flashing diagnostic fault code. This genuine OEM board is built and programmed to exact factory specifications for the GB1AAV048135AFJA, ensuring the correct relays, timing logic, and connector layout that aftermarket boards frequently get wrong. Installation is moderate: cut power at the breaker, photograph the existing wiring for reference, move each connector one at a time to the new board, and mount it securely in the control box — generally 30 to 45 minutes. The keyed plugs simplify wiring, but verify every connection before restoring power. A new control board brings back full, safe furnace operation and steady heat. In stock and ships same-day when you order before 3PM CST, with most deliveries arriving within 2 to 4 business days.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model GB1AAV048135AFJA.\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":62942764597619,"sku":"carrier-control-board-gb1aav048135afja","price":199.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-gb1aav048135afja.jpg?v=1781467615","url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-gb1aav048135afja","provider":"National HVAC Parts","version":"1.0","type":"link"}