{"product_id":"oem-goodman-3-in-shot-burner-for-gmp075-4-b4022700","title":"OEM Goodman 3\" In-Shot Burner for GMP075-4 — B4022700","description":"\u003ch2\u003eGoodman B4022700 3-Inch 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 \u003cstrong\u003eGMP075-4\u003c\/strong\u003e gas furnaces and compatible Goodman\/Amana upflow models. Each in-shot burner meters gas into the heat exchanger tube for a stable, efficient flame. Cracked, rusted, or misfiring burners cause rough ignition, delayed light-off, and sooting — replacing the affected burner restores clean, quiet combustion and safe operation.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: In-shot (single-port) burner\u003c\/li\u003e\n\u003cli\u003eSize: 3 inch\u003c\/li\u003e\n\u003cli\u003eOEM Part Number: B4022700\u003c\/li\u003e\n\u003cli\u003eFits: Goodman GMP075-4 gas furnace\u003c\/li\u003e\n\u003cli\u003eMaterial: Corrosion-resistant formed steel\u003c\/li\u003e\n\u003cli\u003eFuel: Natural gas (LP with proper orifice)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eOEM Goodman B4022700\u003c\/strong\u003e matches factory port geometry and flame-carryover spacing exactly, so ignition timing and flame sensing stay within spec. Aftermarket burners can vary in port size and length, leading to uneven light-off across the burner rack. For a furnace you rely on for heat, OEM is the safe choice.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate\u003c\/strong\u003e — requires shutting off gas and power, removing the burner assembly, and swapping the burner. Best performed by an HVAC professional; verify flame pattern and gas pressure after install. Always confirm compatibility with your furnace serial before ordering.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058135875955,"sku":"GOODMAN-11860","price":8.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-3-in-shot-burner-for-gmp075-4-b4022700","provider":"National HVAC Parts","version":"1.0","type":"link"}