{"product_id":"oem-lennox-heat-exchanger-assembly-84k46","title":"OEM Lennox Heat Exchanger Assembly — 84K46","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e84K46\u003c\/strong\u003e heat exchanger assembly is the heart of your furnace's heating cycle, transferring thermal energy from the burners to the circulating air while sealing combustion gases away from your living space. Built to exacting Lennox factory standards, it restores rated efficiency and safe, reliable warmth.\u003c\/p\u003e\u003cp\u003eWatch for these signs of heat exchanger failure: cracks or corrosion in the metal, a burner flame that flutters or turns yellow, soot buildup, unusual odors during operation, and frequent furnace shutdowns triggered by the safety limit. Because a cracked heat exchanger can allow carbon monoxide into the home, replacing it quickly is a safety necessity.\u003c\/p\u003e\u003cp\u003eUsing an OEM \u003cstrong\u003e84K46\u003c\/strong\u003e is important for Lennox equipment because the assembly is matched to the specific burner configuration, gas input rate, and airflow of your model. Generic replacements can misalign the flame, cut efficiency, and void warranty protection. This authentic Lennox part ensures a precise fit, safe combustion, and the dependable performance you expect.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081075835251,"sku":"LNX-84K46","price":399.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-heat-exchanger-assembly-84k46","provider":"National HVAC Parts","version":"1.0","type":"link"}