{"product_id":"oem-lennox-stainless-steel-heat-exchanger-96m74","title":"OEM Lennox Stainless Steel Heat Exchanger — 96M74","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e96M74\u003c\/strong\u003e stainless steel heat exchanger assembly delivers durable, corrosion-resistant heat transfer for your Lennox gas furnace. Its stainless construction stands up to the acidic condensate and thermal stress of high-efficiency operation, moving combustion heat into the air stream while keeping flue gases safely contained. Built to Lennox factory specifications, the \u003cstrong\u003e96M74\u003c\/strong\u003e restores proper airflow, rated efficiency, and long-term reliability.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e Look for cracks, pinholes, or corrosion in the stainless tubes, a flickering or distorted burner flame, soot buildup, unusual odors, or a carbon monoxide detector alarm. Reduced heat output and recurring limit-switch trips are additional red flags. Because a breached exchanger can release combustion gases, prompt replacement is essential.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e Aftermarket exchangers seldom match the stainless grade, weld integrity, and expansion tolerances Lennox specifies, which can shorten service life and compromise safety. The OEM stainless steel \u003cstrong\u003e96M74\u003c\/strong\u003e ensures a factory-correct fit, preserves your Lennox warranty, and returns your furnace to its original safety and efficiency ratings.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081068134771,"sku":"LNX-96M74","price":399.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-stainless-steel-heat-exchanger-96m74","provider":"National HVAC Parts","version":"1.0","type":"link"}