{"product_id":"oem-lennox-heat-exchanger-assembly-13x41","title":"OEM Lennox Heat Exchanger Assembly — 13X41","description":"\u003cp\u003eThe Lennox \u003cstrong\u003e13X41\u003c\/strong\u003e is a genuine OEM heat exchanger assembly (factory reference 612224-06) made for Lennox gas furnaces. The heat exchanger transfers burner heat into the air circulating through your furnace while sealing combustion byproducts away from your home's air supply, keeping carbon monoxide out of the living space. Manufactured to Lennox specifications, it reproduces the exact heat transfer surface and airflow path your furnace was designed to use.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e Look for cracks, rust, or scaling on the exchanger cells, a burner flame that shifts or rolls out when the blower engages, soot deposits, rumbling or popping sounds during operation, and repeated shutdowns on the safety limit switch. A carbon monoxide detector alarm is the most serious symptom and should prompt an immediate inspection and replacement.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e The heat exchanger is a critical safety component, so the genuine Lennox \u003cstrong\u003e13X41\u003c\/strong\u003e is the right choice. OEM construction guarantees the correct metallurgy, dimensional accuracy, and sealing integrity needed for a leak-free installation and full rated efficiency. Aftermarket alternatives can fail to seal properly and allow dangerous combustion leaks — safeguard your furnace and your household with the authentic Lennox part.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081072034163,"sku":"LNX-13X41","price":399.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-heat-exchanger-assembly-13x41","provider":"National HVAC Parts","version":"1.0","type":"link"}