{"product_id":"oem-lennox-heat-exchanger-assembly-14c19","title":"OEM Lennox Heat Exchanger Assembly — 14C19","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e14C19\u003c\/strong\u003e heat exchanger assembly transfers combustion heat to your home's air supply while forming a sealed barrier that keeps flue gases out of the conditioned airstream. Manufactured to Lennox factory specifications, this assembly is a direct replacement that restores full heating output and safe furnace operation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms\u003c\/strong\u003e include cracks or corrosion in the exchanger walls, a metallic or gas odor during heating cycles, soot accumulation, unstable burner flames, and frequent limit or flame-sensor faults. Because a compromised exchanger can leak carbon monoxide into your living space, any sign of a crack calls for immediate replacement.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e The \u003cstrong\u003e14C19\u003c\/strong\u003e is produced with the precise alloy, gauge, and geometry your Lennox furnace requires for correct airflow and combustion separation. Generic aftermarket parts risk poor sealing, reduced efficiency, and voided warranties. Installing the authentic OEM assembly guarantees an exact fit and the reliable, long-term performance Lennox designed into your system.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081074753907,"sku":"LNX-14C19","price":399.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-heat-exchanger-assembly-14c19","provider":"National HVAC Parts","version":"1.0","type":"link"}