{"product_id":"oem-lennox-heat-exchanger-assembly-10a49","title":"OEM Lennox Heat Exchanger Assembly — 10A49","description":"\u003cp\u003eThe OEM Lennox \u003cstrong\u003e10A49\u003c\/strong\u003e heat exchanger assembly — cross-referenced as 605996-71 and 612218-12 — transfers combustion heat from the furnace burners into your home's air stream while safely containing exhaust gases. Made to genuine Lennox specifications, it installs correctly in compatible furnace models for a proper seal and dependable heating.\u003c\/p\u003e\u003cp\u003eTypical symptoms of a worn or damaged heat exchanger include cracks or corrosion, a burner flame that wavers when the blower turns on, soot buildup, unusual smells during a heating cycle, or frequent limit-switch trips. Because a breached exchanger can release carbon monoxide, replacement should not be delayed.\u003c\/p\u003e\u003cp\u003eUsing the genuine Lennox \u003cstrong\u003e10A49\u003c\/strong\u003e ensures the correct metallurgy, gauge, and geometry to withstand repeated heating and cooling and to seal properly against the burner assembly. Aftermarket alternatives can warp or fail early and may compromise safety — the OEM part protects your equipment, your efficiency, and your Lennox warranty.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081068298611,"sku":"LNX-10A49","price":39.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-heat-exchanger-assembly-10a49","provider":"National HVAC Parts","version":"1.0","type":"link"}