{"product_id":"oem-lennox-heat-exchanger-assembly-14d55","title":"OEM Lennox Heat Exchanger Assembly — 14D55","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e14D55\u003c\/strong\u003e heat exchanger assembly — also identified by Lennox numbers 612998-06 and 610280-11 — carries heat from the combustion chamber into the air stream that warms your home, while keeping flue gases fully sealed away from indoor air. It is a core safety and efficiency component in your Lennox furnace.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms\u003c\/strong\u003e include cracks, rust, or corrosion on the metal surfaces, a burner flame that flickers or moves when the blower starts, unusual odors, soot buildup, and carbon monoxide detector alarms. Any sign of a breach calls for immediate replacement by a certified HVAC technician.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e The \u003cstrong\u003e14D55\u003c\/strong\u003e is engineered to Lennox's precise standards for alloy, weld integrity, and heat-transfer geometry. Generic substitutes risk compromising the combustion seal, reducing efficiency, and voiding your factory warranty. The genuine Lennox assembly delivers an exact fit and restores rated performance and safe operation. This part should be installed by a licensed HVAC professional.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081066070387,"sku":"LNX-14D55","price":399.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-heat-exchanger-assembly-14d55","provider":"National HVAC Parts","version":"1.0","type":"link"}