{"product_id":"oem-goodman-3-inch-in-shot-burner-for-gmt140-5a-b4022700","title":"OEM Goodman 3-Inch In-Shot Burner for GMT140-5A — B4022700","description":"\u003cp\u003eThe Goodman \u003cstrong\u003eB4022700 3-Inch In-Shot Burner\u003c\/strong\u003e is a genuine OEM steel burner tube for the \u003cstrong\u003eGoodman GMT140-5A\u003c\/strong\u003e gas furnace. In-shot burners carry the air\/gas mixture from the orifice into the heat exchanger, where a consistent, well-shaped flame drives efficient heat transfer. The precise 3-inch inlet geometry ensures correct primary air entrainment and stable ignition across the burner rack.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e In-shot burner\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e B4022700\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 3 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Coated\/aluminized steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Goodman GMT140-5A multi-position gas furnace\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eBurner venturi shape and inlet dimension are calibrated to the GMT140-5A's manifold pressure and orifice sizing. Genuine Goodman burners produce the correct flame pattern and cross-lighting between tubes; generic burners can cause uneven ignition, flame rollout, or flame-sensor dropout. Replacing burners as a matched OEM set is strongly recommended.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate (3\/5).\u003c\/strong\u003e Turn off gas and power, remove the burner box or slide-out rack, and swap the burner while keeping tube alignment true. Inspect the flame sensor and igniter, then test for proper cross-light and clean blue flame. Best performed by a qualified HVAC technician.\u003c\/p\u003e\u003cp\u003eMatch your model\/serial plate before ordering, or email info@nationalhvacparts.com to confirm B4022700 fits your furnace.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058164023667,"sku":"GOODMAN-12473","price":18.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-3-inch-in-shot-burner-for-gmt140-5a-b4022700","provider":"National HVAC Parts","version":"1.0","type":"link"}