{"product_id":"oem-lennox-heat-exchanger-assembly-93w52","title":"OEM Lennox Heat Exchanger Assembly — 93W52","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e93W52\u003c\/strong\u003e heat exchanger assembly (also referenced as R42511010) is the core combustion component of your Lennox gas furnace. It transfers heat from the burning fuel to the air moving through your system while keeping combustion gases safely separated from the air you breathe. This assembly is engineered to the exact tolerances of your Lennox equipment for proper airflow, thermal efficiency, and safe operation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e A cracked or corroded heat exchanger may cause a flickering or lifting burner flame, rust or soot streaks, a persistent burning or metallic odor, unusual expansion\/contraction noises during heating cycles, or a carbon monoxide detector alarm. Any suspected crack should be addressed immediately, as it can allow combustion gases to enter the airstream.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e The \u003cstrong\u003e93W52\u003c\/strong\u003e is manufactured to Lennox specifications for metal alloy, weld integrity, and dimensional fit that aftermarket substitutes rarely match. Using the correct OEM heat exchanger preserves your furnace's AFUE efficiency rating, protects any remaining factory warranty coverage, and ensures the safe, sealed combustion your Lennox system was designed to deliver.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081070920051,"sku":"LNX-93W52","price":399.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-heat-exchanger-assembly-93w52","provider":"National HVAC Parts","version":"1.0","type":"link"}