{"product_id":"carrier-gb1aav024065adja-control-board-4zd3t7","title":"OEM Carrier Integrated Furnace Control Board HK42FZ016 — GB1AAV024065A","description":"\u003ch1\u003eOEM Carrier Integrated Furnace Control Board HK42FZ016 for Model GB1AAV024065ADJA\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM integrated furnace control board (IFC) for the \u003cstrong\u003eCarrier GB1AAV024065ADJA\u003c\/strong\u003e gas furnace, sold under OEM part numbers \u003cstrong\u003eHK42FZ016\u003c\/strong\u003e and kit number \u003cstrong\u003e325878-751\u003c\/strong\u003e. The control board is the central brain of your furnace — it sequences the inducer motor, hot surface igniter, gas valve, and blower in precise timing. When this board fails, symptoms range from hard lockouts with blinking fault codes, intermittent no-heat calls, ignition sequence failures, or a furnace that simply will not respond to a thermostat signal at all. Replacing with the correct OEM board restores factory timing, fault diagnostics, and safety lockout behavior.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e OEM Part Numbers HK42FZ016 \/ 325878-751 | Integrated furnace control (IFC) board | 24V control circuit | Compatible with single-stage gas valve and HSI igniter sequence | Built-in diagnostic LED fault code display\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM boards carry factory-programmed timing and safety lockout logic specific to the GB1AAV024065ADJA. Aftermarket boards may use generic timing profiles that can shorten heat exchanger life, void remaining equipment warranties, and trigger nuisance lockouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Disconnect power and gas before servicing. Tools needed: 1\/4\" and 5\/16\" nut drivers, needle-nose pliers, phone or camera to photograph all wiring harness connections before removal. Transfer wiring harnesses one connector at a time to avoid miswiring. Refer to the wiring diagram printed on the furnace cabinet door.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Orders placed by 3 PM EST ship same business day from our climate-controlled warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as a direct OEM replacement for \u003cstrong\u003eCarrier model GB1AAV024065ADJA\u003c\/strong\u003e. Always verify your existing board's part number (HK42FZ016 or 325878-751) against your furnace data plate and wiring diagram before ordering. Not sure it fits? Our HVAC parts specialists verify fitment at no charge — contact us before you order.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909434069363,"sku":"CARRIE-GB1AAV024065ADJA-CONTROL_BOARD-HK42FZ016","price":180.0,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909434102131,"sku":"CARRIE-GB1AAV024065ADJA-CONTROL_BOARD-HK42FZ016-GEN","price":102.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-furnace-HK42FZ016_30d7eaa3-e301-4464-bad1-30f336e29416.jpg?v=1782928321","url":"https:\/\/nationalhvacparts.com\/products\/carrier-gb1aav024065adja-control-board-4zd3t7","provider":"National HVAC Parts","version":"1.0","type":"link"}