{"product_id":"oem-lennox-burner-head-f6-83w35","title":"OEM Lennox Burner Head (F6) — 83W35","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e83W35\u003c\/strong\u003e (factory number 253310-01) is an F6 burner head used in Lennox gas furnaces. The burner head shapes and stabilizes the flame as the air-gas mixture ignites, distributing heat evenly into the heat exchanger for efficient, reliable operation. As a factory component, the \u003cstrong\u003e83W35\u003c\/strong\u003e is manufactured to the precise port pattern and flame-carryover design Lennox specifies for consistent ignition.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e uneven or lifting flames, delayed ignition, flame rollout, sooting, burner noise, and flame-sensor dropouts. Corrosion, scale buildup, and cracked or eroded burner ports from long-term thermal stress typically call for replacement.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e Flame stability and correct heat distribution depend on the exact port geometry of the burner head. An aftermarket or mismatched head can produce an unstable flame, incomplete combustion, and uneven heating that stresses the heat exchanger. The OEM \u003cstrong\u003e83W35\u003c\/strong\u003e burner head restores proper flame characteristics, rated efficiency, and safe operation for your Lennox equipment.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081128264051,"sku":"LNX-83W35","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-83W35.jpg?v=1783759592","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-burner-head-f6-83w35","provider":"National HVAC Parts","version":"1.0","type":"link"}