{"product_id":"oem-lennox-heat-exchanger-assembly-16u75","title":"OEM Lennox Heat Exchanger Assembly — 16U75","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e16U75\u003c\/strong\u003e heat exchanger assembly is the primary heat-transfer component in your Lennox furnace. Combustion gases from the burners flow through its internal passages, warming the air pushed across it by the blower before that heat is delivered throughout your home — all while exhaust byproducts remain sealed off and safely vented. Manufactured to Lennox factory standards, it installs as an exact-fit replacement for your unit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e Typical warning signs include visible cracks or corrosion, a flickering or yellow-tipped burner flame, soot accumulation, odd odors when the furnace runs, and rising energy costs. Since a cracked heat exchanger risks carbon monoxide leakage, prompt replacement is essential.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e The heat exchanger is a safety-critical assembly that must conform precisely to your furnace's design. The OEM \u003cstrong\u003e16U75\u003c\/strong\u003e delivers a guaranteed fit, certified combustion containment, and rated efficiency — safeguarding your warranty and your family in ways that generic replacements simply cannot match.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081071509875,"sku":"LNX-16U75","price":399.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-heat-exchanger-assembly-16u75","provider":"National HVAC Parts","version":"1.0","type":"link"}