{"product_id":"carrier-control-board-gb1aav048091abja","title":"OEM Carrier Control Board HK42FZ011 for GB1AAV048091ABJA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Control Board HK42FZ011 for GB1AAV048091ABJA\u003c\/h1\u003e\n\u003cp\u003eThe OEM Carrier furnace control board (part HK42FZ011) is the brain of your GB1AAV048091ABJA gas furnace, sequencing ignition, the blower, inducer motor, and all safety lockouts. If your furnace short-cycles, won't start, throws an LED fault code, or the blower runs nonstop, a failed control board is a frequent cause. This genuine Carrier board is programmed with the exact ignition timing and safety logic your furnace was engineered around, so you avoid the firmware mismatches and erratic behavior that plague aftermarket replacements. It mounts directly to the GB1AAV048091ABJA control bracket and accepts the original wiring harness plugs. Installation is moderate difficulty — photograph the wiring first, kill power at the breaker, transfer the connectors one at a time to the matching terminals, and confirm your fault LED clears on restart. Many handy homeowners do this in 30 to 45 minutes, though hiring a tech is wise if you're not comfortable around line voltage. Order before 3PM CST and your board ships same-day.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model GB1AAV048091ABJA.\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":62942786683251,"sku":"carrier-control-board-gb1aav048091abja","price":189.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-gb1aav048091abja.jpg?v=1781467557","url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-gb1aav048091abja","provider":"National HVAC Parts","version":"1.0","type":"link"}