{"product_id":"oem-lennox-heat-exchanger-assembly-primary-80m45","title":"OEM Lennox Heat Exchanger Assembly Primary — 80M45","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 80M45\u003c\/strong\u003e is a genuine OEM Primary Heat Exchanger Assembly designed to transfer heat from combustion gases to your home's air supply safely and efficiently. A cracked or failed heat exchanger can allow dangerous carbon monoxide to enter your living space, cause the furnace to short-cycle, or trigger high-limit switch lockouts. This direct-fit replacement is engineered specifically for compatible Lennox gas furnace models, ensuring proper sealing, airflow, and thermal performance.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081063514483,"sku":"LNX-80M45","price":399.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-heat-exchanger-assembly-primary-80m45","provider":"National HVAC Parts","version":"1.0","type":"link"}