{"product_id":"oem-lennox-heat-exchanger-assembly-13x47","title":"OEM Lennox Heat Exchanger Assembly — 13X47","description":"\u003cp\u003eThe Lennox \u003cstrong\u003e13X47\u003c\/strong\u003e is a genuine OEM heat exchanger assembly (factory reference 612224-06) built for Lennox gas furnaces. The heat exchanger captures heat from the furnace's burners and passes it to the circulating air, all while containing combustion gases behind a sealed metal barrier so carbon monoxide never mixes with the air you breathe. Manufactured to Lennox specifications, it restores the exact heat transfer performance and airflow your furnace was designed to deliver.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e Telltale signs of a failing exchanger include visible cracking or corrosion, a burner flame that flutters or shifts when the blower kicks on, soot accumulation, banging or rumbling sounds during startup, and repeated shutdowns triggered by the safety limit. Any activation of a carbon monoxide detector is a critical alarm that warrants immediate inspection and replacement.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e The heat exchanger is a life-safety component, making the genuine Lennox \u003cstrong\u003e13X47\u003c\/strong\u003e the only responsible choice. OEM manufacturing ensures the precise metallurgy, dimensional tolerances, and sealing integrity required for a leak-free fit and rated efficiency. Aftermarket parts may not seal correctly, risking dangerous combustion leaks — protect your equipment and your family with the authentic Lennox assembly.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081071968627,"sku":"LNX-13X47","price":399.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-heat-exchanger-assembly-13x47","provider":"National HVAC Parts","version":"1.0","type":"link"}