{"product_id":"oem-lennox-heat-exchanger-assembly-13x52","title":"OEM Lennox Heat Exchanger Assembly — 13X52","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e13X52\u003c\/strong\u003e heat exchanger assembly (also referenced as part number 612224-07) transfers combustion heat to the air flowing through your furnace while keeping harmful flue gases sealed away from your home's air supply. Built to exact Lennox specifications, it delivers the correct fit and rated efficiency your furnace was engineered to provide.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e Look for cracks, holes, or rust on the exchanger surfaces, a burner flame that flickers or shifts when the blower runs, a noticeable combustion odor during heating, soot buildup, or a carbon monoxide detector alarm. Any of these conditions means the exchanger should be replaced immediately.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e The heat exchanger is a safety-critical component that keeps toxic combustion byproducts out of the air you breathe. Only the genuine Lennox \u003cstrong\u003e13X52\u003c\/strong\u003e guarantees the certified metallurgy, precision welds, and exact fit needed for safe, efficient furnace operation and to keep your warranty valid. Aftermarket alternatives can compromise fit and safety. Choose OEM for a dependable, code-compliant repair.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081073705331,"sku":"LNX-13X52","price":399.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-heat-exchanger-assembly-13x52","provider":"National HVAC Parts","version":"1.0","type":"link"}