{"product_id":"oem-lennox-heat-exchanger-60g79","title":"OEM Lennox Heat Exchanger — 60G79","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e60G79\u003c\/strong\u003e heat exchanger is the core component that transfers combustion heat to the air circulating through your furnace while keeping flue gases safely separated from your home's airflow. Precisely engineered to match Lennox furnace specifications, it restores rated heating performance, efficiency, and — most importantly — safe operation.\u003c\/p\u003e\u003cp\u003eA failing heat exchanger typically shows up as visible cracks or corrosion, a flickering or shifting burner flame, soot buildup, unusual odors, or a carbon monoxide detector alarm. Because a cracked heat exchanger can allow flue gases to mix with your breathing air, replacing it promptly with the correct OEM part is a safety-critical repair — not a place to cut corners.\u003c\/p\u003e\u003cp\u003eChoosing the OEM Lennox \u003cstrong\u003e60G79\u003c\/strong\u003e guarantees the exact metallurgy, dimensions, and pressure tolerances your specific furnace was designed around. Aftermarket substitutes often differ in gauge and geometry, which can compromise the seal, void your Lennox warranty, and shorten service life. Install genuine Lennox parts to protect both your equipment and your household.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081100706163,"sku":"LNX-60G79","price":399.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-heat-exchanger-LNX-60G79.jpg?v=1783761910","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-heat-exchanger-60g79","provider":"National HVAC Parts","version":"1.0","type":"link"}