{"product_id":"oem-lennox-heat-exchanger-20l52","title":"OEM Lennox Heat Exchanger — 20L52","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 20L52\u003c\/strong\u003e is a genuine OEM replacement heat exchanger engineered to maintain safe and efficient operation in compatible Lennox furnaces. A cracked or damaged heat exchanger can allow harmful carbon monoxide to enter your living space, cause inefficient heating, or trigger high-limit safety shutdowns — making prompt replacement critical. This direct-fit Lennox OEM part restores proper combustion airflow and heat transfer; always confirm compatibility with your specific Lennox furnace model number prior to installation.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63080931721587,"sku":"LNX-20L52","price":399.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-heat-exchanger-20l52","provider":"National HVAC Parts","version":"1.0","type":"link"}