{"product_id":"oem-lennox-heat-exchanger-assembly-13x29","title":"OEM Lennox Heat Exchanger Assembly — 13X29","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e13X29\u003c\/strong\u003e heat exchanger assembly (factory number 612216-07) is the primary combustion component in your Lennox gas furnace. It captures heat from the burners and transfers it to your home's supply air while keeping flue gases fully isolated from the airstream. Built to precise Lennox specifications for alloy, weld quality, and cell geometry, this assembly delivers the rated efficiency and safe operation your furnace was designed for.\u003c\/p\u003e\u003cp\u003eCommon signs of a failing heat exchanger include visible cracks or corrosion, a wavering or discolored burner flame, soot deposits, unusual odors during heating, or a furnace that repeatedly trips its high-limit switch and short-cycles. A cracked exchanger can release carbon monoxide into your living space, making replacement an urgent safety priority.\u003c\/p\u003e\u003cp\u003eOEM matters on a part like this. The authentic Lennox \u003cstrong\u003e13X29\u003c\/strong\u003e \/ 612216-07 is engineered to endure thousands of heating cycles without warping or metal fatigue, and it drops in without the fit and airflow problems common to generic substitutes. Aftermarket parts can compromise safety, reduce efficiency, and void your equipment warranty. Restore your Lennox furnace with the exact factory replacement.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081072427379,"sku":"LNX-13X29","price":399.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-heat-exchanger-assembly-13x29","provider":"National HVAC Parts","version":"1.0","type":"link"}