{"product_id":"oem-lennox-heat-exchanger-assembly-14c18","title":"OEM Lennox Heat Exchanger Assembly — 14C18","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e14C18\u003c\/strong\u003e heat exchanger assembly is the component responsible for capturing heat from your furnace's burners and transferring it to the air stream, while keeping combustion gases fully isolated from the air you breathe. Engineered to Lennox's original tolerances, materials, and pressure ratings, it ensures safe, efficient, and reliable heating throughout its service life.\u003c\/p\u003e\u003cp\u003eCommon indicators of a failing heat exchanger include cracks, rust or scaling, a burner flame that flickers or shifts when the blower runs, soot deposits, unusual odors during operation, or a carbon monoxide detector alarm. Because a damaged heat exchanger can leak CO into the home, it should be replaced immediately with a properly matched unit.\u003c\/p\u003e\u003cp\u003eOEM is the smart choice for Lennox systems. The \u003cstrong\u003e14C18\u003c\/strong\u003e is a direct factory replacement that matches the original's metal gauge, weld quality, and mounting dimensions, so it installs without modification and restores rated efficiency and safety. Generic substitutes frequently fall short on materials and fit, inviting premature failure and potential warranty complications.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081074524531,"sku":"LNX-14C18","price":399.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-heat-exchanger-assembly-14c18","provider":"National HVAC Parts","version":"1.0","type":"link"}