{"product_id":"oem-lennox-612998-07-heat-exchanger-assembly-610280-12-14d56","title":"OEM Lennox 612998-07 Heat Exchanger Assembly 610280-12 — 14D56","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 14D56\u003c\/strong\u003e (612998-07, supersedes 610280-12) is a genuine OEM heat exchanger assembly that provides efficient thermal transfer and a secure seal against combustion gases in compatible Lennox furnace systems. Failure symptoms such as unexplained illness, carbon monoxide detector alerts, visible corrosion, or inconsistent heating output often point to a compromised heat exchanger that needs immediate replacement. Installing this authentic Lennox OEM part guarantees compatibility and restores your furnace to safe, manufacturer-approved operating conditions.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081063481715,"sku":"LNX-14D56","price":399.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-612998-07-heat-exchanger-assembly-610280-12-14d56","provider":"National HVAC Parts","version":"1.0","type":"link"}