{"product_id":"oem-goodman-integrated-furnace-control-board-for-gmt090-4b-b1809913s","title":"OEM Goodman Integrated Furnace Control Board for GMT090-4B — B1809913S","description":"\u003cp\u003eThe Goodman \u003cstrong\u003eB1809913S Integrated Furnace Control Board\u003c\/strong\u003e is the genuine OEM \"brain\" of the \u003cstrong\u003eGMT090-4B\u003c\/strong\u003e gas furnace, supplied complete with its \u003cstrong\u003e9-pin wiring harness\u003c\/strong\u003e. This board manages the full heating sequence — ignition timing, gas valve control, inducer and blower operation, limit-switch monitoring, and diagnostic fault codes — for safe, efficient furnace operation. It's the correct replacement when your furnace won't ignite, cycles erratically, or throws control-related error flashes.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Integrated furnace control (IFC) board\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e 9-pin plug-in wiring harness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControls:\u003c\/strong\u003e Ignition, gas valve, inducer, blower, safety limits, diagnostics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits Model:\u003c\/strong\u003e Goodman GMT090-4B furnace\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e B1809913S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment Type:\u003c\/strong\u003e Gas Furnace\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eOEM Goodman B1809913S\u003c\/strong\u003e is the recommended choice for control boards: exact firmware, timing, and connector pinout ensure full compatibility and preserve diagnostic accuracy. Aftermarket \u003cstrong\u003egeneric\u003c\/strong\u003e boards may require re-pinning or jumper adjustments and can behave unpredictably — for a component this critical, genuine OEM is strongly preferred.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate (3\/5).\u003c\/strong\u003e Requires photographing and transferring wiring connections, mounting the board, and seating the 9-pin harness correctly — plan for 45–60 minutes. Always cut power at the breaker and label wires before removal. Professional installation is recommended if you're not comfortable with furnace wiring.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058159829363,"sku":"GOODMAN-12398","price":184.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-integrated-furnace-control-board-for-gmt090-4b-b1809913s","provider":"National HVAC Parts","version":"1.0","type":"link"}