{"product_id":"oem-lennox-heat-exchanger-assembly-13x14","title":"OEM Lennox Heat Exchanger Assembly — 13X14","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e13X14\u003c\/strong\u003e heat exchanger assembly (also identified as 612216-28) is the heart of your gas furnace, transferring combustion heat to your home's circulating air while safely isolating exhaust gases from the airstream. Manufactured to Lennox factory tolerances, it ensures correct airflow, sealing, and heat-transfer efficiency for dependable heating.\u003c\/p\u003e\u003cp\u003eHeat exchangers wear out from repeated heating and cooling cycles. Warning signs include visible cracks, rust or scaling, a flame that dances or changes color, soot deposits, odd odors, and elevated carbon monoxide readings. Any crack is a safety hazard and calls for immediate replacement.\u003c\/p\u003e\u003cp\u003eSelecting an OEM Lennox \u003cstrong\u003e13X14\u003c\/strong\u003e matters because heat exchangers are safety-critical and dimensionally exact. Aftermarket versions may not seat properly against the burner assembly or induced-draft blower, leading to flame problems, condensation corrosion, and hazardous flue-gas leaks. The genuine part guarantees a precise fit, restores rated efficiency, and keeps your Lennox furnace certified and warranty-compliant.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081073115507,"sku":"LNX-13X14","price":399.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-heat-exchanger-assembly-13x14","provider":"National HVAC Parts","version":"1.0","type":"link"}