{"product_id":"oem-goodman-control-board-w-9-pin-harness-for-gmt070-4b-b1809913s","title":"OEM Goodman Control Board w\/ 9-Pin Harness for GMT070-4B — B1809913S","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman B1809913S Integrated Furnace Control Board\u003c\/strong\u003e is a genuine OEM replacement circuit board for \u003cstrong\u003eGMT070-4B\u003c\/strong\u003e gas furnaces and compatible Goodman\/Amana models. This module is the brain of the furnace — it manages the ignition sequence, monitors flame sensing and safety limits, sequences the inducer and blower, and drives the diagnostic LED fault codes. Ships complete with the \u003cstrong\u003e9-pin wiring harness\u003c\/strong\u003e for a straightforward, correctly-terminated installation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e B1809913S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Integrated furnace ignition \u0026amp; blower control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e 9-pin plug harness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeatures:\u003c\/strong\u003e Flame sensing, timed ignition, diagnostic LED codes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Goodman GMT070-4B and compatible furnaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Genuine OEM Goodman replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eOEM vs. Generic:\u003c\/strong\u003e Control boards are firmware-specific. The OEM B1809913S carries the exact ignition timing and safety logic your furnace was engineered around. Aftermarket or cross-referenced boards can introduce timing mismatches, blower-delay errors, or intermittent lockouts. For a component this central, OEM is strongly recommended.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstall difficulty:\u003c\/strong\u003e Moderate (3\/5). Photograph every connection before you begin, disconnect power at the breaker, transfer wiring one lead at a time to avoid errors, and mount the new board on the existing standoffs. Verify a clean startup cycle and clear diagnostic LED afterward. Comfort with low-voltage wiring recommended.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058158289267,"sku":"GOODMAN-12342","price":184.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-control-board-w-9-pin-harness-for-gmt070-4b-b1809913s","provider":"National HVAC Parts","version":"1.0","type":"link"}