{"product_id":"oem-lennox-gas-burner-assembly-58l66","title":"OEM Lennox Gas Burner Assembly — 58L66","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e58L66\u003c\/strong\u003e burner assembly is responsible for combining fuel gas and air and projecting a stable, uniform flame into the heat exchanger of your Lennox furnace. Manufactured to exact Lennox burner port and orifice specifications, it ensures reliable ignition, a clean blue flame, and the proper heat output rated for your unit. Correct burner geometry is essential for efficient combustion and even heat transfer across the exchanger.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e slow or failed ignition, rumbling or roaring combustion noise, yellow or lifting flames, carbon and soot buildup, flame-sensor dropouts, or the furnace repeatedly locking out. Rust, corrosion, or blocked burner ports are the usual reasons a burner must be replaced.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e Lennox engineers ignition and flame sensing around this burner's precise dimensions and materials. A generic replacement can alter the flame shape, trip safeties, or risk flame rollout and heat-exchanger damage. The OEM \u003cstrong\u003e58L66\u003c\/strong\u003e delivers exact fit and factory-rated performance, keeping your Lennox system safe, efficient, and warranty-compliant. Ships same day when ordered before 3PM CST.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081100870003,"sku":"LNX-58L66","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-58L66.jpg?v=1783761180","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-gas-burner-assembly-58l66","provider":"National HVAC Parts","version":"1.0","type":"link"}