{"product_id":"oem-lennox-stainless-steel-heat-exchanger-assembly-33m09","title":"OEM Lennox Stainless Steel Heat Exchanger Assembly — 33M09","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e33M09\u003c\/strong\u003e is a stainless steel heat exchanger assembly, the core component that transfers combustion heat to the air moving through your Lennox gas furnace while keeping flue gases fully separated from your home's air supply. Built to exact factory specifications, this assembly restores rated heating output and maintains the safe barrier between combustion byproducts and conditioned air.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e A failing heat exchanger often shows up as visible cracks or rust, a flickering or shifting burner flame when the blower engages, soot or corrosion inside the cabinet, unusual odors, or a carbon monoxide detector alarm. Any of these signs warrants immediate attention, as a compromised heat exchanger is a safety hazard.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e Heat exchangers are a safety-critical part, and the \u003cstrong\u003e33M09\u003c\/strong\u003e is engineered to the precise dimensions, alloy grade, and weld tolerances your Lennox furnace demands. Aftermarket substitutes can misfit, stress mounting points, and fail prematurely. Choosing the OEM assembly ensures correct fit, proper flame containment, and preserves your Lennox equipment warranty.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081077375347,"sku":"LNX-33M09","price":399.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-stainless-steel-heat-exchanger-assembly-33m09","provider":"National HVAC Parts","version":"1.0","type":"link"}