{"product_id":"oem-lennox-heat-exchanger-assembly-14c20","title":"OEM Lennox Heat Exchanger Assembly — 14C20","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e14C20\u003c\/strong\u003e heat exchanger assembly is the primary heating component in your Lennox gas furnace. It absorbs heat from the combustion chamber and passes it to the air moving across it, delivering warm air to your home while safely routing exhaust gases out through the flue. Its engineered chambers are designed for efficient, reliable heat transfer over years of seasonal cycling.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms\u003c\/strong\u003e include visible cracks, rust, or holes in the metal, a burner flame that dances or changes color when the blower runs, soot deposits, unusual odors, moisture around the unit, or a carbon monoxide detector going off. A damaged heat exchanger poses a real safety risk and warrants prompt replacement.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e The \u003cstrong\u003e14C20\u003c\/strong\u003e is manufactured to Lennox's precise tolerances for fit, alloy, and pressure rating. Non-OEM alternatives may not seal correctly, can reduce heating efficiency, and often fail prematurely. Choosing the authentic factory part guarantees an exact fit, restores rated performance, and maintains the safety standards your furnace was certified to meet. Always have a qualified HVAC professional perform the installation.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081076261235,"sku":"LNX-14C20","price":399.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-heat-exchanger-assembly-14c20","provider":"National HVAC Parts","version":"1.0","type":"link"}