{"product_id":"oem-goodman-43-burner-orifice-for-ads80904bna-b4089343","title":"OEM Goodman #43 Burner Orifice for ADS80904BNA — B4089343","description":"\u003ch2\u003eGoodman B4089343 #43 Burner Orifice\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eB4089343\u003c\/strong\u003e is a genuine Goodman main burner orifice (spud) engineered for the \u003cstrong\u003eADS80904BNA\u003c\/strong\u003e gas furnace and compatible Goodman\/Amana models. The orifice meters the precise volume of natural gas delivered to each burner, ensuring a stable, blue flame, complete combustion, and rated BTU output. A worn, clogged, or incorrectly sized orifice is a common cause of yellow flames, sooting, delayed ignition, and nuisance limit trips.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOrifice drill size: \u003cstrong\u003e#43\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eOEM part number: B4089343\u003c\/li\u003e\n\u003cli\u003eFuel: Natural gas (verify before ordering)\u003c\/li\u003e\n\u003cli\u003eMaterial: Brass, precision-drilled\u003c\/li\u003e\n\u003cli\u003eFits: Goodman ADS80904BNA gas furnace\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThis is a \u003cstrong\u003efactory OEM Goodman\u003c\/strong\u003e orifice drilled to the exact #43 bore Goodman specified for this furnace. Generic orifices are often hand-drilled to looser tolerances, which can shift your gas flow and combustion. For a safety-critical gas component, OEM is the recommended choice.\u003c\/p\u003e\u003ch3\u003eInstall Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate\u003c\/strong\u003e — requires shutting off gas, removing the burner assembly, and verifying flame appearance after install. Gas work should be performed by a qualified HVAC technician. Always confirm fuel type and orifice size against your unit's rating plate.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Direct Replacement","offer_id":63032484528499,"sku":"B4089343-GEN","price":10.95,"currency_code":"USD","in_stock":true},{"title":"OEM","offer_id":63048133640563,"sku":"B4089343","price":14.23,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-burner-orifice-B4089343_aa54cdf6-b513-4974-952b-9870f58ebb57.jpg?v=1782944757","url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-43-burner-orifice-for-ads80904bna-b4089343","provider":"National HVAC Parts","version":"1.0","type":"link"}