{"product_id":"oem-lennox-heat-exchanger-assembly-y5342","title":"OEM Lennox Heat Exchanger Assembly — Y5342","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003eY5342\u003c\/strong\u003e heat exchanger assembly is a direct factory replacement for compatible Lennox gas furnaces. As air passes over the exchanger, heat generated by the burners is transferred into your home's air supply while combustion gases remain safely isolated and vented outdoors. A properly sealed \u003cstrong\u003eY5342\u003c\/strong\u003e is fundamental to safe, efficient furnace performance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e visible cracking or corrosion, a wavering yellow flame instead of a steady blue one, soot deposits, popping or booming on ignition, musty or chemical odors, and carbon monoxide detector activity. A compromised heat exchanger should be replaced without delay.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e Lennox furnaces rely on precise combustion and airflow engineering. The OEM \u003cstrong\u003eY5342\u003c\/strong\u003e is built to the exact alloy, gauge, and dimensional specifications of your system, guaranteeing correct fit, rated efficiency, and safe containment of flue gases. Non-OEM parts can undermine that safety margin and void your warranty.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081077277043,"sku":"LNX-Y5342","price":399.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-heat-exchanger-assembly-y5342","provider":"National HVAC Parts","version":"1.0","type":"link"}