{"product_id":"oem-lennox-r20278404-heat-exchanger-assembly-10x27","title":"OEM Lennox R20278404 Heat Exchanger Assembly — 10X27","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 10X27\u003c\/strong\u003e (R20278404) is a genuine OEM heat exchanger assembly engineered to deliver reliable heat transfer while maintaining a sealed barrier between combustion gases and circulated air in your Lennox furnace. Common symptoms of a failing heat exchanger include unusual odors, soot buildup, frequent cycling, or a triggered carbon monoxide detector. This authentic Lennox replacement part ensures a precise fit and restores your system to factory performance specifications.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081063383411,"sku":"LNX-10X27","price":399.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-r20278404-heat-exchanger-assembly-10x27","provider":"National HVAC Parts","version":"1.0","type":"link"}