{"product_id":"oem-lennox-heat-exchanger-assembly-96w09","title":"OEM Lennox Heat Exchanger Assembly — 96W09","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e96W09\u003c\/strong\u003e heat exchanger assembly (factory number 605731-16, superseding 604904-23) is a precision combustion component for your Lennox furnace. It transfers heat from the burners into the supply-air stream while fully containing flue gases, delivering safe and efficient warm-air heating throughout the home.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e Signs of a failing exchanger include hairline cracks, rust or scaling on the heat-transfer surfaces, a burner flame that distorts when the blower engages, soot accumulation, unusual odors, or repeated safety-limit shutdowns. Any evidence of a breach means the part should be replaced promptly to prevent flue-gas leakage.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e Carrying the correct Lennox lineage (\u003cstrong\u003e96W09\u003c\/strong\u003e \/ 605731-16), this assembly matches the exact burner geometry, metal gauge, and airflow path of your original unit — precision that generic replacements cannot reliably reproduce. Choosing the OEM part protects your Lennox warranty and ensures reliable, code-compliant operation.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081064169843,"sku":"LNX-96W09","price":39.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-heat-exchanger-assembly-96w09","provider":"National HVAC Parts","version":"1.0","type":"link"}