{"product_id":"oem-lennox-stainless-steel-heat-exchanger-assembly-53l62","title":"OEM Lennox Stainless Steel Heat Exchanger Assembly — 53L62","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e53L62\u003c\/strong\u003e is a stainless steel heat exchanger assembly, the core component that transfers heat from the combustion process to the air circulating through your Lennox gas furnace. As combustion gases pass through the exchanger, its walls warm the surrounding air while keeping toxic flue gases safely separated from your home's air supply. Stainless steel construction resists corrosion and thermal fatigue for long service life.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms\u003c\/strong\u003e include visible cracks or rust, a flickering or lifting burner flame, soot accumulation, unusual odors, water leaking near the unit, or a carbon monoxide detector alarm. A cracked heat exchanger is a serious safety hazard and should be replaced immediately, as it can allow combustion gases to mix with your breathing air.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e The \u003cstrong\u003e53L62\u003c\/strong\u003e is engineered to the exact dimensions, alloy specifications, and pressure tolerances of your Lennox furnace. Aftermarket substitutes risk improper sealing, poor heat transfer efficiency, and premature failure. Choosing the factory OEM part ensures a precise fit, restores rated heating performance, and maintains the safety integrity your equipment was certified to. Installation should always be performed by a qualified HVAC technician.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081076195699,"sku":"LNX-53L62","price":399.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-stainless-steel-heat-exchanger-assembly-53l62","provider":"National HVAC Parts","version":"1.0","type":"link"}