{"product_id":"oem-lennox-heat-exchanger-assembly-93l35","title":"OEM Lennox Heat Exchanger Assembly — 93L35","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e93L35\u003c\/strong\u003e heat exchanger assembly is a factory-direct replacement for compatible Lennox gas furnaces. This assembly captures the heat produced by the burners and transfers it to the air moving through your ductwork, all while keeping combustion byproducts sealed off from the air you breathe. A structurally sound \u003cstrong\u003e93L35\u003c\/strong\u003e is essential to safe and efficient furnace operation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e cracks, rust-through, or holes in the exchanger, a yellow or flickering burner flame, soot buildup, booming or rumbling sounds during ignition, unusual odors, and carbon monoxide detector activation. A breached heat exchanger demands immediate replacement.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e Lennox furnaces are engineered around specific heat-transfer geometry, metal thickness, and pressure tolerances. The OEM \u003cstrong\u003e93L35\u003c\/strong\u003e meets these exact specifications, restoring rated efficiency, ensuring a proper leak-free seal, and keeping your warranty intact. Generic alternatives risk poor fit, diminished safety, and shortened service life.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081077342579,"sku":"LNX-93L35","price":399.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-heat-exchanger-assembly-93l35","provider":"National HVAC Parts","version":"1.0","type":"link"}