{"product_id":"oem-goodman-9-pin-integrated-control-board-for-gmnt090-5b-b1809913s","title":"OEM Goodman 9-Pin Integrated Control Board for GMNT090-5B — B1809913S","description":"\u003cp\u003eThe genuine Goodman \u003cstrong\u003eB1809913S Integrated Furnace Control Board\u003c\/strong\u003e is the brain of your \u003cstrong\u003eGMNT090-5B\u003c\/strong\u003e gas furnace, managing the complete ignition sequence, blower timing, safety lockouts, and diagnostic fault codes. This OEM board ships with the matching \u003cstrong\u003e9-pin wiring harness\u003c\/strong\u003e, so you get a complete, ready-to-install assembly rather than a bare board that requires re-pinning.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOEM Part Number: B1809913S\u003c\/li\u003e\n\u003cli\u003eType: Integrated ignition \u0026amp; blower control board\u003c\/li\u003e\n\u003cli\u003eIncludes: 9-pin main wiring harness\u003c\/li\u003e\n\u003cli\u003eFits: Goodman GMNT090-5B gas furnace\u003c\/li\u003e\n\u003cli\u003eFunctions: Ignition sequencing, blower on\/off delays, safety monitoring, LED diagnostic codes\u003c\/li\u003e\n\u003cli\u003eBrand: Goodman (genuine OEM)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eAftermarket \"universal\" boards require field jumper configuration and rarely reproduce the exact blower timing profiles and fault logic of the original. Mismatched firmware can cause short cycling, poor comfort, and confusing diagnostics. The OEM B1809913S is factory-flashed for the GMNT090-5B and includes the correct harness, eliminating guesswork and warranty risk.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate (3\/5).\u003c\/strong\u003e Photograph all wire connections first, cut furnace power, then transfer connectors one at a time from the old board to the new one to avoid errors. The 9-pin harness keys in a single orientation. Budget 30–45 minutes. Line-voltage and gas-appliance work is involved — if you are unsure, hire a licensed HVAC technician.\u003c\/p\u003e\u003cp\u003eDisconnect all electrical power before servicing to prevent shock or board damage.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058130665843,"sku":"GOODMAN-11711","price":189.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-9-pin-integrated-control-board-for-gmnt090-5b-b1809913s","provider":"National HVAC Parts","version":"1.0","type":"link"}