{"product_id":"oem-lennox-r37988d001-heat-exchanger-assembly-10u89","title":"OEM Lennox R37988D001 Heat Exchanger Assembly — 10U89","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 10U89\u003c\/strong\u003e (R37988D001) is a genuine OEM heat exchanger assembly built to transfer combustion heat safely and efficiently into your home's airstream in compatible Lennox furnace systems. A cracked or failing heat exchanger is a serious safety concern, as it can allow harmful combustion gases such as carbon monoxide to mix with circulated air, making prompt replacement critical. Installing this authentic Lennox OEM heat exchanger assembly restores safe furnace operation and ensures compliance with manufacturer specifications.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081043526003,"sku":"LNX-10U89","price":399.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-r37988d001-heat-exchanger-assembly-10u89","provider":"National HVAC Parts","version":"1.0","type":"link"}