{"product_id":"rheem-ruud-as-108840-19-heat-exchanger-assembly","title":"Rheem-Ruud AS-108840-19 Heat Exchanger Assembly","description":"\u003cp\u003eThe \u003cstrong\u003eRheem-Ruud AS-108840-19 Heat Exchanger Assembly\u003c\/strong\u003e is a critical \u003cstrong\u003estainless steel OEM replacement\u003c\/strong\u003e designed to restore thermal efficiency in high-performance residential gas furnaces. Built for rigorous duty cycles, this \u003cstrong\u003edirect replacement heat exchanger\u003c\/strong\u003e utilizes specialized metallurgy to resist stress corrosion cracking and oxidation in \u003cstrong\u003eRheem and Ruud HVAC systems\u003c\/strong\u003e. For technicians performing critical furnace repairs, this assembly ensures precise alignment with \u003cstrong\u003eburner manifolds\u003c\/strong\u003e and \u003cstrong\u003einducer motor assemblies\u003c\/strong\u003e, maintaining the factory-specified pressure drops across the combustion chamber. As the updated \u003cstrong\u003ecross for AS-58632-86\u003c\/strong\u003e, it features an optimized \u003cstrong\u003eclamshell design\u003c\/strong\u003e to maximize heat transfer surface area, ensuring the system reaches peak \u003cstrong\u003eAFUE ratings\u003c\/strong\u003e. Whether you are addressing heat exchanger failure or performing a preventive overhaul, utilizing \u003cstrong\u003egenuine Rheem-Ruud parts\u003c\/strong\u003e is the only way to ensure the combustion process remains isolated from the supply air stream while meeting exact factory airflow requirements.\u003c\/p\u003e\n\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Engineering:\u003c\/strong\u003e Guaranteed \u003cstrong\u003eAS-108840-19\u003c\/strong\u003e fitment eliminates the installation delays often associated with aftermarket universal kits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless Steel Construction:\u003c\/strong\u003e High-grade alloy provides superior resistance to acidic condensate and thermal fatigue compared to aluminized steel options.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Compatibility:\u003c\/strong\u003e Validated for use in specific \u003cstrong\u003eRheem\/Ruud gas furnace\u003c\/strong\u003e models, ensuring the \u003cstrong\u003elimit switch\u003c\/strong\u003e and flame sensors operate within original parameters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficient Heat Transfer:\u003c\/strong\u003e Engineered to provide consistent BTU output and maintain the integrity of the heat exchange process.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs the AS-108840-19 compatible with older furnace models?\u003c\/strong\u003e\u003cbr\u003e\nYes, this assembly serves as the official replacement for part number \u003cstrong\u003eAS-58632-86\u003c\/strong\u003e. Always verify your specific \u003cstrong\u003eserial number\u003c\/strong\u003e and \u003cstrong\u003emodel number\u003c\/strong\u003e to ensure the exact furnace footprint matches this assembly.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDoes this unit come with required gaskets?\u003c\/strong\u003e\u003cbr\u003e\nWhile this is the \u003cstrong\u003eprimary heat exchanger assembly\u003c\/strong\u003e, technicians should inspect the \u003cstrong\u003ecollector box gaskets\u003c\/strong\u003e and \u003cstrong\u003eburner mounting gaskets\u003c\/strong\u003e during the tear-down process and replace them as needed to ensure a gas-tight seal.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow do I know if my current heat exchanger needs replacement?\u003c\/strong\u003e\u003cbr\u003e\nProfessional diagnostics including a visual inspection for cracks, a \u003cstrong\u003ecombustion analysis\u003c\/strong\u003e, or a \u003cstrong\u003eCO detector\u003c\/strong\u003e test at the supply registers are standard industry practices to identify compromised heat exchanger cells.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong style=\"color: red;\"\u003eThis item is not eligible for free shipping.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDisclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.\u003c\/p\u003e","brand":"Rheem-Ruud","offers":[{"title":"Default Title","offer_id":44976039002290,"sku":"AS-108840-19","price":1200.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/files\/ac-parts-1000x1000_2834e431-852e-426a-8383-1b491218935e.webp?v=1773188961","url":"https:\/\/www.gsistore.com\/en-ca\/products\/rheem-ruud-as-108840-19-heat-exchanger-assembly","provider":"GSIstore","version":"1.0","type":"link"}