{"product_id":"oem-lennox-gas-burner-assembly-58l69","title":"OEM Lennox Gas Burner Assembly — 58L69","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e58L69\u003c\/strong\u003e burner assembly mixes gas and air and delivers a controlled, stable flame inside your Lennox furnace's heat exchanger. It is a core combustion component engineered to Lennox burner spacing and orifice specifications, ensuring proper ignition, clean burn, and correct heat output across your furnace's firing rate. Precise flame geometry from a factory-matched burner protects the heat exchanger from hot spots and keeps combustion efficient.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e delayed or rough ignition, rumbling or roaring flames, yellow or lazy flames instead of crisp blue, soot buildup, short cycling on the flame sensor, or a furnace that locks out on failed ignition. Cracked, corroded, or clogged burner ports are frequent culprits and should be replaced rather than cleaned indefinitely.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e Lennox furnaces are calibrated around exact burner port size, alignment, and material. A generic or mismatched burner can shift the flame envelope, cause flame rollout, trip the sensor, or damage the heat exchanger. The OEM \u003cstrong\u003e58L69\u003c\/strong\u003e guarantees correct fit and rated performance, protecting both safety and warranty coverage. Ships same day when ordered before 3PM CST.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081100804467,"sku":"LNX-58L69","price":49.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-burner-ribbon-LNX-58L69.jpg?v=1783761183","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-gas-burner-assembly-58l69","provider":"National HVAC Parts","version":"1.0","type":"link"}