{"product_id":"oem-goodman-integrated-furnace-control-board-for-gmnt090-4b-b1809913s","title":"OEM Goodman Integrated Furnace Control Board for GMNT090-4B — B1809913S","description":"\u003ch2\u003eGoodman B1809913S Integrated Furnace Control Board (9-Pin Harness)\u003c\/h2\u003e\u003cp\u003eThe B1809913S is the genuine OEM integrated furnace control (IFC) board for the Goodman\/Amana \u003cstrong\u003eGMNT090-4B\u003c\/strong\u003e gas furnace, supplied with the 9-pin wiring harness for a complete replacement. This board is the furnace's brain: it manages the ignition sequence, inducer and blower timing, safety-circuit monitoring (limits, rollout, pressure switch), and thermostat calls. Symptoms of a failed board include no ignition, blower running constantly, LED fault codes, or a dead furnace.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: Integrated furnace control board (IFC)\u003c\/li\u003e\n\u003cli\u003eHarness: Includes 9-pin connector harness\u003c\/li\u003e\n\u003cli\u003eControls: Ignition sequence, inducer, blower timing, safety circuit\u003c\/li\u003e\n\u003cli\u003eOnboard diagnostics: LED fault-code indicator\u003c\/li\u003e\n\u003cli\u003eFits: Goodman\/Amana GMNT090-4B and compatible furnaces\u003c\/li\u003e\n\u003cli\u003eOEM Part Number: B1809913S\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eControl boards are model-specific — the \u003cstrong\u003eOEM Goodman board\u003c\/strong\u003e ships with the correct firmware, relay ratings, connector layout, and 9-pin harness so timing and safety logic match your furnace exactly. Generic or cross-referenced boards risk incorrect blower timing, ignition faults, or connector mismatches. For a control board, OEM is strongly recommended.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate (3\/5).\u003c\/strong\u003e Power off at the breaker and photograph all connections first. Remove the blower-compartment panel, unplug each labeled harness, transfer wiring one plug at a time to the new board, and mount. Verify ignition sequence on startup. Allow 30–45 minutes; professional installation recommended if unsure.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058130469235,"sku":"GOODMAN-11704","price":184.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-integrated-furnace-control-board-for-gmnt090-4b-b1809913s","provider":"National HVAC Parts","version":"1.0","type":"link"}