{"product_id":"oem-goodman-3-in-shot-burner-for-dms81155cna-b4022700","title":"OEM Goodman 3\" In-Shot Burner for DMS81155CNA — B4022700","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman B4022700 3-inch in-shot burner\u003c\/strong\u003e is a genuine OEM replacement component engineered for \u003cstrong\u003eDMS81155CNA\u003c\/strong\u003e gas furnaces and compatible Goodman\/Amana models. This burner delivers fuel to the heat exchanger for clean, efficient combustion — a worn, rusted, or clogged burner causes rough ignition, delayed lightoff, sooting, and uneven heating. Restoring the original burner geometry keeps flame characteristics within factory spec.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: In-shot (single-port) gas burner\u003c\/li\u003e\n\u003cli\u003eLength: 3 inches\u003c\/li\u003e\n\u003cli\u003eMaterial: Corrosion-resistant stamped steel\u003c\/li\u003e\n\u003cli\u003eFuel: Natural gas \/ LP (per furnace orifice)\u003c\/li\u003e\n\u003cli\u003eFitment: Goodman DMS81155CNA and compatible furnaces\u003c\/li\u003e\n\u003cli\u003eOEM Part Number: B4022700\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eOur \u003cstrong\u003eOEM Goodman burner\u003c\/strong\u003e matches the original venturi throat, port size, and mounting hook exactly, preserving flame stability and CO safety margins. Generic burners often vary in port diameter and length, which can shift the air\/fuel mix and trip flame-sense faults. For a combustion component, we recommend OEM.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy — DIY friendly (15–25 min).\u003c\/strong\u003e Burners slide into the manifold and hook onto the burner bracket; no special tools required. Always shut off gas and power first, and verify flame appearance after restart.\u003c\/p\u003e\u003cp\u003eGenuine OEM. Backed by exact-fit compatibility for the DMS81155CNA.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058050875763,"sku":"GOODMAN-9630","price":8.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-3-in-shot-burner-for-dms81155cna-b4022700","provider":"National HVAC Parts","version":"1.0","type":"link"}