{"product_id":"oem-goodman-3-in-shot-burner-for-dms80904bna-furnace-b4022700","title":"OEM Goodman 3\" In-Shot Burner for DMS80904BNA Furnace — B4022700","description":"\u003ch2\u003eGoodman B4022700 3\" In-Shot Burner\u003c\/h2\u003e\u003cp\u003eThe Goodman \u003cstrong\u003eB4022700\u003c\/strong\u003e is a genuine OEM 3-inch in-shot burner engineered for the \u003cstrong\u003eDMS80904BNA\u003c\/strong\u003e 80% AFUE gas furnace and compatible Goodman\/Amana models. Each in-shot burner directs a precise jet of gas into the heat exchanger tube, producing clean, even combustion. Rusted, warped, or clogged burners cause delayed ignition, uneven flame, and rollout — replacing them restores safe, efficient heating.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePart Number: B4022700\u003c\/li\u003e\n\u003cli\u003eFits: Goodman DMS80904BNA gas furnace\u003c\/li\u003e\n\u003cli\u003eNominal Size: 3-inch in-shot design\u003c\/li\u003e\n\u003cli\u003eFunction: Directs gas\/air mix into heat exchanger tube\u003c\/li\u003e\n\u003cli\u003eMaterial: Coated steel\u003c\/li\u003e\n\u003cli\u003eType: Direct OEM replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eOEM Goodman\u003c\/strong\u003e burners are dimensioned to seat correctly against the manifold and align with the factory orifice for the rated flame pattern. Generic burners may vary in throat geometry, altering the air\/fuel mix and flame quality. For proper combustion and safety, genuine OEM is strongly recommended. Replace all burners as a set for even heating.\u003c\/p\u003e\u003ch3\u003eInstall Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate (3\/5)\u003c\/strong\u003e — Requires shutting off gas and power, removing the manifold\/burner assembly, and reseating burners squarely over the orifices. About 45–60 minutes. Gas work — if you're not comfortable, use a licensed HVAC technician.\u003c\/p\u003e\u003cp\u003eFits Goodman and Amana in-shot burner furnaces. Email info@nationalhvacparts.com to confirm your model.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058042618227,"sku":"GOODMAN-9608","price":18.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-3-in-shot-burner-for-dms80904bna-furnace-b4022700","provider":"National HVAC Parts","version":"1.0","type":"link"}