{"product_id":"oem-lennox-heat-exchanger-assembly-612983-26-13x07","title":"OEM Lennox Heat Exchanger Assembly (612983-26) — 13X07","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e13X07\u003c\/strong\u003e heat exchanger assembly (factory reference 612983-26) is the heat-transfer heart of your Lennox gas furnace. It captures the heat produced by the burners and delivers it to the moving airstream while keeping flue gases fully isolated from the air distributed through your home. Manufactured to original Lennox tolerances, the \u003cstrong\u003e13X07\u003c\/strong\u003e installs as a direct replacement in its compatible furnace models.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e Typical signs of a worn exchanger include visible cracks or rust-through, soot deposits, a distorted or roaring burner flame, strong odors during operation, elevated carbon-monoxide readings, or repeated high-limit shutdowns. These point to a loss of the gas-tight barrier the exchanger is meant to provide.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e Because the heat exchanger is a life-safety component subjected to constant high-temperature cycling, the precise steel specification, weld quality, and dimensions are essential. The authentic Lennox \u003cstrong\u003e13X07\u003c\/strong\u003e restores factory-certified combustion sealing, exact burner and inducer alignment, and the efficiency and warranty compliance your Lennox furnace was built to deliver.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081071149427,"sku":"LNX-13X07","price":399.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-heat-exchanger-assembly-612983-26-13x07","provider":"National HVAC Parts","version":"1.0","type":"link"}