{"product_id":"oem-lennox-stainless-steel-heat-exchanger-19a72","title":"OEM Lennox Stainless Steel Heat Exchanger — 19A72","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e19A72\u003c\/strong\u003e stainless steel heat exchanger assembly transfers combustion heat into your home's air stream while keeping flue gases fully contained. Its stainless steel construction resists corrosion from condensate and acidic combustion byproducts, making it ideal for high-efficiency Lennox furnaces where moisture resistance is essential to long service life.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e Signs of a compromised exchanger include visible cracks, pinholes, or rust streaks, a burner flame that flutters or changes when the blower engages, a lingering combustion odor, soot deposits, or an activated carbon monoxide detector. Any of these symptoms calls for immediate replacement.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e The heat exchanger is a life-safety component that separates toxic gases from the air your family breathes. Only the genuine Lennox \u003cstrong\u003e19A72\u003c\/strong\u003e delivers the certified stainless alloy, factory weld quality, and exact fit that guarantee safe, efficient operation and keep your warranty intact. Generic aftermarket parts can't match this specification. Choose OEM stainless for durability and safety you can trust.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081073639795,"sku":"LNX-19A72","price":399.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-stainless-steel-heat-exchanger-19a72","provider":"National HVAC Parts","version":"1.0","type":"link"}