{"product_id":"oem-lennox-heat-exchanger-assembly-71l60","title":"OEM Lennox Heat Exchanger Assembly — 71L60","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e71L60\u003c\/strong\u003e heat exchanger assembly is the essential furnace component that transfers combustion heat to your home's air supply while keeping flue gases sealed away from the airstream. Produced to Lennox factory standards, it delivers the exact fit, material specification, and heat-transfer efficiency your Lennox furnace was engineered to use.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e cracks, holes, or heavy rust in the metal, soot deposits, flame rollout, a burner flame that flickers or shifts when the blower engages, unusual odors during heating, or a triggered carbon monoxide detector. These symptoms signal the exchanger has failed and should be replaced right away.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e The heat exchanger is a safety-critical part, and only an exact factory match ensures a proper, gas-tight seal. The genuine Lennox \u003cstrong\u003e71L60\u003c\/strong\u003e is built with the correct alloy and welds to withstand repeated thermal cycling without cracking or leaking. Aftermarket parts risk improper fit, premature failure, and a voided warranty. Install factory OEM to protect both your furnace and your household.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081064694131,"sku":"LNX-71L60","price":399.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-heat-exchanger-assembly-71l60","provider":"National HVAC Parts","version":"1.0","type":"link"}