{"product_id":"oem-goodman-3in-in-shot-burner-for-wfm18090s4bxcb-b4022700","title":"OEM Goodman 3in In-Shot Burner for WFM18090S4BXCB — B4022700","description":"\u003cp\u003eThe Goodman \u003cstrong\u003eB4022700 3 inch In-Shot Burner\u003c\/strong\u003e is a genuine OEM single burner for the Goodman\/Amana \u003cstrong\u003eWFM18090S4BXCB\u003c\/strong\u003e gas furnace and compatible models. In-shot burners deliver the gas-air mixture into each heat-exchanger tube for clean, efficient combustion. A rusted, clogged, or corroded burner produces uneven flame, delayed ignition, sooting, or noisy startup — all reasons to replace the affected burner.\u003c\/p\u003e\u003cp\u003eManufactured to Goodman's exact port pattern and venturi dimensions, this burner maintains the correct flame characteristics and heat-exchanger firing rate. Replace as a matched set when one burner shows corrosion for the most consistent flame across all tubes.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOEM Part Number: B4022700\u003c\/li\u003e\n\u003cli\u003eType: Single in-shot burner, 3 inch\u003c\/li\u003e\n\u003cli\u003eFits: Goodman\/Amana WFM18090S4BXCB and compatible furnaces\u003c\/li\u003e\n\u003cli\u003eFactory port and venturi geometry for correct flame\u003c\/li\u003e\n\u003cli\u003eNatural gas \/ compatible with OEM manifold spacing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eAftermarket burners can differ in port drilling and venturi throat, causing lifting, flashback, or incomplete combustion. This \u003cstrong\u003egenuine OEM B4022700\u003c\/strong\u003e reproduces the original flame profile, preserving efficiency, safe combustion, and correct heat-exchanger firing.\u003c\/p\u003e\u003ch3\u003eInstall Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (2 of 5).\u003c\/strong\u003e Shut off gas and power, remove the burner-assembly retaining screws, slide the old burner off the manifold, and set the new one so the venturi aligns with the orifice. Verify flame appearance after startup. Plan 20–30 minutes; replace all burners together when practical.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057150542195,"sku":"GOODMAN-B4022700","price":8.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-3in-in-shot-burner-for-wfm18090s4bxcb-b4022700","provider":"National HVAC Parts","version":"1.0","type":"link"}