{"product_id":"oem-goodman-integrated-furnace-control-board-for-gmth045-3b-b1809913s","title":"OEM Goodman Integrated Furnace Control Board for GMTH045-3B — B1809913S","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman B1809913S Integrated Furnace Control Board\u003c\/strong\u003e is a genuine OEM ignition and sequencing control shipped with the matching \u003cstrong\u003e9-pin wiring harness\u003c\/strong\u003e, built for the \u003cstrong\u003eGMTH045-3B\u003c\/strong\u003e gas furnace and compatible Goodman\/Amana models. This board is the brain of the furnace: it manages the ignition sequence, times the inducer and blower, monitors safety limits and flame sense, and drives the gas valve. Symptoms of a failed board include no ignition, blower running constantly, blinking diagnostic LEDs, or intermittent no-heat lockouts.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e B1809913S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Integrated furnace control (IFC) board\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHarness:\u003c\/strong\u003e Includes 9-pin connector harness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunctions:\u003c\/strong\u003e Ignition timing, inducer\/blower control, flame sensing, safety interlock monitoring, on-board diagnostics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Goodman GMTH045-3B and related furnaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Goodman (OEM)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eFurnace control boards are model-specific — connector pinout, firmware timing, and relay ratings must match your equipment exactly. There is no reliable universal substitute for this board. The OEM B1809913S with its included 9-pin harness guarantees correct sequencing and preserves your furnace's safety logic and diagnostic codes.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate (3\/5).\u003c\/strong\u003e Photograph every connection before removing the old board, transfer plugs one at a time, and confirm the flame-sense and limit circuits are correct. Cut power at the disconnect first. If you are not comfortable reading the furnace wiring diagram, use a licensed HVAC technician.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058165694835,"sku":"GOODMAN-12532","price":184.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-integrated-furnace-control-board-for-gmth045-3b-b1809913s","provider":"National HVAC Parts","version":"1.0","type":"link"}