{"product_id":"carrier-gb1aav024070afja-control-board-4zd3t7","title":"OEM Carrier Integrated Furnace Control Board HK42FZ016 — GB1AAV024070A","description":"\u003ch1\u003eOEM Carrier Integrated Furnace Control Board HK42FZ016 for Model GB1AAV024070AFJA\u003c\/h1\u003e\u003cp\u003eThis is the factory-original integrated furnace control (IFC) board for the \u003cstrong\u003eCarrier GB1AAV024070AFJA\u003c\/strong\u003e gas furnace. The control board is the central brain of your heating system — it sequences the inducer motor, hot surface igniter, gas valve, and blower, while continuously monitoring safety inputs from the pressure switch and flame sensor. When this board fails, symptoms range from a complete no-heat lockout and persistent error codes to erratic ignition attempts, a blower that won't shut off, or a furnace that starts but immediately shuts down. OEM part numbers \u003cstrong\u003eHK42FZ016\u003c\/strong\u003e and kit designation \u003cstrong\u003e325878-751\u003c\/strong\u003e both reference this same factory board assembly.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 24V control circuit | Compatible with single-stage gas valve | Integrated fault code LED diagnostics | Matches factory sequencing timings and safety lockout logic for \u003cstrong\u003eGB1AAV024070AFJA\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM control boards ship with the correct firmware, terminal layout, and safety trip thresholds pre-configured at the factory. Aftermarket boards frequently require jumper adjustments, may misread flame sensor signals, and carry a higher callback rate among HVAC technicians.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Requires disconnecting 24V and line-voltage wiring harnesses. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, smartphone to photograph all wiring before disconnecting. Power off and verify zero voltage at board before handling. Flash error codes on existing board for diagnostics before replacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In stock and ships same business day from our climate-controlled warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered as a direct drop-in replacement for \u003cstrong\u003eCarrier GB1AAV024070AFJA\u003c\/strong\u003e gas furnaces. Cross-references OEM part numbers HK42FZ016 and 325878-751. Confirm your existing board's part number on the board label or furnace data plate before ordering. Need fitment verification? Our parts specialists confirm compatibility before your order ships — no guesswork, no returns.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909432136051,"sku":"CARRIE-GB1AAV024070AFJA-CONTROL_BOARD-HK42FZ016","price":180.0,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909432168819,"sku":"CARRIE-GB1AAV024070AFJA-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_24a1aa98-cce5-43fa-b467-5a1d897c8a43.jpg?v=1782928326","url":"https:\/\/nationalhvacparts.com\/products\/carrier-gb1aav024070afja-control-board-4zd3t7","provider":"National HVAC Parts","version":"1.0","type":"link"}