{"product_id":"oem-lennox-stainless-steel-heat-exchanger-78w84","title":"OEM Lennox Stainless Steel Heat Exchanger — 78W84","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e78W84\u003c\/strong\u003e stainless steel heat exchanger (factory number 607167-04) is engineered for durable, corrosion-resistant heat transfer in your Lennox gas furnace. Stainless construction stands up to the acidic condensate and repeated thermal cycling found in modern high-efficiency furnaces, transferring heat to your air stream while safely containing combustion gases. As a factory part, the \u003cstrong\u003e78W84\u003c\/strong\u003e matches Lennox specifications for fit, alloy, and pressure integrity.\u003c\/p\u003e\u003cp\u003eTypical failure symptoms include visible cracking or corrosion, a rolling or lifting burner flame, soot buildup, unusual odors during operation, repeated high-limit or flame-rollout shutdowns, and carbon monoxide detection. Because a breached exchanger can leak combustion byproducts into the home, replacement should not be postponed.\u003c\/p\u003e\u003cp\u003eSelecting the OEM Lennox \u003cstrong\u003e78W84\u003c\/strong\u003e ensures you get the stainless steel grade and weld quality Lennox designed for long service life. Aftermarket substitutes may corrode faster, seal poorly, or void your warranty. This authorized stainless exchanger restores rated efficiency and safe, reliable heating for your Lennox system.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081066398067,"sku":"LNX-78W84","price":399.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-stainless-steel-heat-exchanger-78w84","provider":"National HVAC Parts","version":"1.0","type":"link"}