{"product_id":"oem-goodman-3-in-shot-burner-for-gmv81155cxa-b4022700","title":"OEM Goodman 3\" In-Shot Burner for GMV81155CXA — B4022700","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman B4022700 3-inch In-Shot Burner\u003c\/strong\u003e is a genuine OEM replacement engineered for the \u003cstrong\u003eGMV81155CXA\u003c\/strong\u003e and compatible GMV8-series 80% AFUE gas furnaces. The in-shot burner delivers a precisely shaped flame into the heat exchanger tube, which is critical for clean combustion, quiet ignition, and efficient heat transfer throughout the heating season.\u003c\/p\u003e\u003cp\u003eOver time, in-shot burners can corrode, warp, or accumulate rust and scale that disrupt the flame pattern — causing delayed ignition, rollout, or a rumbling burner. Replacing worn burners with the correct OEM part restores a crisp blue flame and safe, reliable operation.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e B4022700\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e In-shot \/ single-port burner\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 3 inch throat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Goodman (also fits many Amana\/Janitrol GMV8 builds)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment:\u003c\/strong\u003e Gas furnace, 80% AFUE two-stage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Coated steel, corrosion-resistant\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eOur \u003cstrong\u003eOEM Goodman burner\u003c\/strong\u003e is built to the exact orifice alignment and flame-carryover spacing the GMV8 heat exchanger was designed around, ensuring correct light-off and no rollout. Generic aftermarket burners are more affordable but may vary slightly in port geometry, which can cause uneven flame or ignition delay. For a furnace burner assembly, we recommend the OEM part for safety-critical fit.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate.\u003c\/strong\u003e Burners are typically replaced as a matched set; installation requires removing the burner assembly, transferring the crossover igniter, and verifying flame sensing. Always shut off gas and power first. Professional installation by a licensed HVAC technician is recommended.\u003c\/p\u003e\u003cp\u003eBacked by our fit guarantee. Not sure it fits your unit? Contact \u003ca href=\"mailto:info@nationalhvacparts.com\"\u003einfo@nationalhvacparts.com\u003c\/a\u003e with your model and serial number.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058170872179,"sku":"GOODMAN-12675","price":14.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-3-in-shot-burner-for-gmv81155cxa-b4022700","provider":"National HVAC Parts","version":"1.0","type":"link"}