{"product_id":"oem-lennox-heat-exchanger-assembly-16j37","title":"OEM Lennox Heat Exchanger Assembly — 16J37","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e16J37\u003c\/strong\u003e heat exchanger assembly moves heat from the combustion chamber into your home's circulating air while keeping flue gases fully isolated from the supply airstream. Engineered to Lennox factory specifications, this direct-fit assembly restores safe, efficient heating to your gas furnace.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms\u003c\/strong\u003e include cracks or corrosion in the metal, a combustion or gas odor when the furnace runs, soot buildup, rolling or distorted burner flames, and repeated limit-switch or flame-sensor trips. Since a cracked heat exchanger can release carbon monoxide into your home, prompt replacement is essential for safety.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e The \u003cstrong\u003e16J37\u003c\/strong\u003e is manufactured to the exact alloy, gauge, and geometry your Lennox furnace demands for proper combustion separation and heat transfer. Non-OEM substitutes risk compromised seals, lost efficiency, and voided warranties. Choosing the authentic OEM assembly ensures an exact fit and the long-lasting reliability Lennox built into your system.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081074819443,"sku":"LNX-16J37","price":399.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-heat-exchanger-assembly-16j37","provider":"National HVAC Parts","version":"1.0","type":"link"}