{"product_id":"oem-lennox-heat-exchanger-assembly-13x16","title":"OEM Lennox Heat Exchanger Assembly — 13X16","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e13X16\u003c\/strong\u003e heat exchanger assembly (factory reference 612983-09) is the essential heat-transfer component in your Lennox furnace, drawing heat from the burner flames into the air stream while keeping combustion byproducts safely sealed off. It is engineered to the precise tube pattern, metallurgy, and mounting dimensions of the furnace models it fits, preserving proper efficiency and airflow.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms\u003c\/strong\u003e include cracks or holes in the exchanger, visible rust or corrosion, a flickering or distorted burner flame, soot accumulation, odd odors during operation, and repeated high-limit or safety-switch trips. Since a damaged exchanger can allow carbon monoxide to enter your home, replacement should be handled without delay.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e the genuine Lennox \u003cstrong\u003e13X16\u003c\/strong\u003e meets the original safety-certification, pressure, and thermal-cycling standards for your equipment. Universal or aftermarket alternatives often compromise on fit, alloy, and durability, risking lost efficiency, early cracking, and warranty problems. Fitting the correct OEM assembly restores your furnace's rated heating capacity and safe operation.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081075147123,"sku":"LNX-13X16","price":399.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-heat-exchanger-assembly-13x16","provider":"National HVAC Parts","version":"1.0","type":"link"}