{"product_id":"oem-goodman-furnace-control-board-9-pin-for-gdt090-4b-b1809913s","title":"OEM Goodman Furnace Control Board 9-Pin for GDT090-4B — B1809913S","description":"\u003cp\u003eThe Goodman \u003cstrong\u003eB1809913S Integrated Furnace Control (IFC) Board\u003c\/strong\u003e is the genuine OEM brain of the Goodman\/Amana \u003cstrong\u003eGDT090-4B\u003c\/strong\u003e gas furnace and compatible models. Supplied with the matching \u003cstrong\u003e9-pin wiring harness\u003c\/strong\u003e, this board manages the complete ignition sequence — inducer start, pressure-switch proving, hot-surface igniter timing, gas-valve control, flame sensing, and blower on\/off delays — while running continuous safety diagnostics and flashing fault codes for troubleshooting.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Integrated furnace control (IFC) \/ ignition control module\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded:\u003c\/strong\u003e Control board plus 9-pin connector harness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControls:\u003c\/strong\u003e Inducer, HSI igniter, gas valve, circulating blower, flame sense\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiagnostics:\u003c\/strong\u003e On-board LED fault-code readout\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Goodman\/Amana GDT090-4B and related single-stage furnaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Genuine Goodman OEM\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe control board is the one part where we always recommend \u003cstrong\u003egenuine OEM\u003c\/strong\u003e. The B1809913S is pre-flashed with Goodman's exact ignition timing, blower-delay, and safety logic for this furnace family, and the included 9-pin harness plugs directly into the factory wiring. Aftermarket \"universal\" boards require adapter harnesses and manual timing configuration, and any error there affects ignition safety and can void warranty coverage.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate (3\/5).\u003c\/strong\u003e Budget 30–45 minutes. Photograph all wiring first, then disconnect power, transfer each connector to the identical terminal on the new board, and mount it in the control box. Restore power and run a full heat cycle, watching the diagnostic LED to confirm normal operation. Because incorrect wiring affects gas ignition, less-experienced DIYers should have a licensed HVAC technician verify the install.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057146806643,"sku":"GOODMAN-B1809913S","price":184.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-furnace-control-board-9-pin-for-gdt090-4b-b1809913s","provider":"National HVAC Parts","version":"1.0","type":"link"}