{"product_id":"oem-lennox-stainless-steel-heat-exchanger-28j71","title":"OEM Lennox Stainless Steel Heat Exchanger — 28J71","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e28J71\u003c\/strong\u003e stainless steel heat exchanger assembly is a factory replacement for your Lennox gas furnace, using corrosion-resistant stainless steel to withstand the heat and condensate stress of everyday operation. The exchanger draws heat from combustion and transfers it to your home's circulating air while keeping flue gases fully contained.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e Look for cracks, pinholes, or rust along the stainless cells, a burner flame that wavers or rolls out when the blower runs, soot buildup, combustion odors, or a carbon monoxide alarm. Any of these signal a breach that requires immediate replacement for safe operation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e The stainless construction of the \u003cstrong\u003e28J71\u003c\/strong\u003e is engineered to Lennox specifications for durability in higher-efficiency and condensing applications where lesser metals corrode prematurely. Aftermarket replacements may use thinner or different alloys that crack early and can compromise the combustion seal. Choosing the OEM assembly maintains the safety listing, longevity, and rated performance of your Lennox furnace.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081071346035,"sku":"LNX-28J71","price":399.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-stainless-steel-heat-exchanger-28j71","provider":"National HVAC Parts","version":"1.0","type":"link"}