{"product_id":"oem-lennox-6-burner-inshot-burner-assembly-18l58","title":"OEM Lennox 6-Burner Inshot Burner Assembly — 18L58","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e18L58\u003c\/strong\u003e inshot burner assembly (factory number 619796-06) is a complete 6-burner rack that delivers gas to the heat exchanger and provides the flame for combustion in compatible Lennox gas furnaces. Each inshot burner shapes and directs the flame precisely, allowing the ignitor and flame sensor to establish and prove ignition on every heat call. Using the correct factory assembly ensures proper flame geometry, safe combustion, and reliable furnace operation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e When burners corrode, warp, or accumulate rust and scale, you may notice delayed ignition, flame rollout, a rumbling or popping sound, yellow or lazy flames, short cycling, or the furnace locking out on failed flame sense. Cracked or clogged burner ports can also cause soot and incomplete combustion.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e Lennox engineers the \u003cstrong\u003e18L58\u003c\/strong\u003e burner assembly to exact port dimensions, spacing, and gas-orifice alignment for its specific furnace models. Aftermarket substitutes can shift flame characteristics and compromise safe, efficient heating. Choosing the factory-specified part guarantees correct fit, rated BTU input, and dependable ignition for the life of your Lennox equipment.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081127969139,"sku":"LNX-18L58","price":49.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-burner-inshot-LNX-18L58.jpg?v=1783759157","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-6-burner-inshot-burner-assembly-18l58","provider":"National HVAC Parts","version":"1.0","type":"link"}