{"product_id":"oem-lennox-heat-exchanger-assembly-10a52","title":"OEM Lennox Heat Exchanger Assembly — 10A52","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e10A52\u003c\/strong\u003e heat exchanger assembly (factory references 612218-05 and 605996-74) is the core heating component of your Lennox gas furnace. It transfers heat from the burner combustion gases into the circulating air while sealing dangerous flue gases safely away from your home. Produced to exact Lennox specifications, the \u003cstrong\u003e10A52\u003c\/strong\u003e restores rated heat output and a properly contained combustion path.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon symptoms of a failing heat exchanger\u003c\/strong\u003e include visible cracks, rust or corrosion, a flickering or discolored burner flame, soot deposits, unusual odors during operation, and elevated carbon monoxide levels. Since a cracked exchanger can allow flue gas to enter living areas, timely replacement is critical.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e the heat exchanger is a safety-critical part where alloy quality, weld strength, and precise fit are non-negotiable. The OEM \u003cstrong\u003e10A52\u003c\/strong\u003e is built to Lennox's material and dimensional standards, seals correctly to the burner box and collector, and keeps your furnace's combustion certification and warranty valid. Aftermarket parts risk poor fit, premature failure, and hazardous gas leakage.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081073541491,"sku":"LNX-10A52","price":399.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-heat-exchanger-assembly-10a52","provider":"National HVAC Parts","version":"1.0","type":"link"}