{"product_id":"oem-lennox-heat-exchanger-assembly-14d54","title":"OEM Lennox Heat Exchanger Assembly — 14D54","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e14D54\u003c\/strong\u003e heat exchanger assembly (cross-referenced as 612998-05 and 610280-07) transfers combustion heat into the air moving through your furnace while keeping flue gases sealed away from your home's air supply. Manufactured to exact Lennox specifications, it delivers a precise fit and the efficient, safe heat transfer your system depends on.\u003c\/p\u003e\u003cp\u003eCommon symptoms of heat exchanger failure include cracks, corrosion or rust, soot deposits, an unstable or discolored burner flame, unusual odors during heating, and increased carbon monoxide readings. A cracked heat exchanger is a safety hazard and should be replaced immediately.\u003c\/p\u003e\u003cp\u003eChoosing the OEM Lennox \u003cstrong\u003e14D54\u003c\/strong\u003e ensures factory-grade metal thickness, weld quality, and dimensional accuracy that generic replacements often lack, helping you avoid premature failure and poor combustion. This original-equipment part restores safe, efficient, long-lasting heating performance to your Lennox furnace.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081068003699,"sku":"LNX-14D54","price":399.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-heat-exchanger-assembly-14d54","provider":"National HVAC Parts","version":"1.0","type":"link"}