{"product_id":"oem-lennox-stainless-steel-heat-exchanger-28j75","title":"OEM Lennox Stainless Steel Heat Exchanger — 28J75","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e28J75\u003c\/strong\u003e stainless steel heat exchanger assembly transfers combustion heat to the air stream in your Lennox gas furnace while keeping flue gases safely isolated. Its corrosion-resistant stainless construction stands up to repeated heating and cooling cycles, resisting the cracking and rust that cause premature failure — a key advantage in high-efficiency Lennox systems.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e Common warning signs include visible cracks or rust, a distorted or rolling burner flame, unusual smells during operation, soot accumulation, and frequent limit-switch shutdowns. Since a cracked exchanger can allow carbon monoxide into the home, it should be replaced without delay.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e Lennox engineers each heat exchanger to precise dimensions, alloy, and combustion-airflow specifications. Installing the OEM \u003cstrong\u003e28J75\u003c\/strong\u003e ensures exact fit, safe operating clearances, and rated efficiency, while preserving your equipment warranty that aftermarket parts can void. Restore safe, efficient heating with the part built specifically for your Lennox furnace.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081068462451,"sku":"LNX-28J75","price":399.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-stainless-steel-heat-exchanger-28j75","provider":"National HVAC Parts","version":"1.0","type":"link"}