{"product_id":"oem-lennox-aluminized-heat-exchanger-assembly-19a65","title":"OEM Lennox Aluminized Heat Exchanger Assembly — 19A65","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e19A65\u003c\/strong\u003e aluminized heat exchanger assembly is the primary heat-transfer component in your Lennox gas furnace. Its aluminized-steel construction resists corrosion and oxidation while moving heat from the combustion chamber into your home's air, all while keeping flue gases fully isolated from the supply airstream. It is built to Lennox factory tolerances for correct fit, airflow, and rated performance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e Look for cracks, rust flakes or scaling, a distorted or lifting burner flame, soot buildup, popping or rumbling sounds as the unit heats and cools, unusual odors during operation, or a tripped carbon monoxide alarm. A compromised heat exchanger is a safety hazard and should be replaced without delay.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e The aluminized alloy and precision welds of the \u003cstrong\u003e19A65\u003c\/strong\u003e are specified by Lennox to withstand repeated thermal cycling without cracking. Choosing the OEM part maintains your furnace's efficiency rating, safeguards factory warranty eligibility, and guarantees the sealed, reliable heat exchange your Lennox equipment was engineered to provide.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081070952819,"sku":"LNX-19A65","price":399.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-aluminized-heat-exchanger-assembly-19a65","provider":"National HVAC Parts","version":"1.0","type":"link"}