{"product_id":"lennox-46k92-heat-exchanger","title":"Lennox 46K92 Heat Exchanger","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 46K92\u003c\/strong\u003e is a critical \u003cstrong\u003eOEM replacement heat exchanger\u003c\/strong\u003e engineered for specific high-efficiency Lennox furnace configurations. For technicians troubleshooting a cracked or compromised secondary or primary cell, this \u003cstrong\u003edirect replacement part\u003c\/strong\u003e ensures the system maintains its original AFUE rating and structural integrity. Built with heavy-duty materials to withstand thermal expansion and contraction cycles, the 46K92 optimizes \u003cstrong\u003egas furnace heat transfer\u003c\/strong\u003e while preventing combustion leakage into the airstream. As a genuine \u003cstrong\u003eLennox HVAC part\u003c\/strong\u003e, it guarantees precise manifold alignment and mounting bracket compatibility, eliminating the field modifications often required with universal alternatives. Whether you are performing a seasonal teardown or responding to a failed CO test, utilizing this \u003cstrong\u003efurnace heat exchanger\u003c\/strong\u003e is essential for restoring safe furnace operation and peak thermal output in residential and commercial Lennox applications.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits for Contractors\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Fitment:\u003c\/strong\u003e Designed specifically for Lennox units, ensuring direct alignment with existing burner assemblies and inducer motor ports.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Thermal Conductivity:\u003c\/strong\u003e High-grade metallic construction facilitates rapid \u003cstrong\u003eheat transfer\u003c\/strong\u003e for consistent discharge air temperatures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Compliance:\u003c\/strong\u003e Meets original manufacturer specifications to ensure proper venting and \u003cstrong\u003ecombustion safety\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong-Term Durability:\u003c\/strong\u003e Engineered to resist corrosive condensate buildup often found in high-efficiency heating cycles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommon Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs the 46K92 compatible with all Lennox G series furnaces?\u003c\/strong\u003e\u003cbr\u003eThis part is specific to certain model generations. Always verify the full model and serial number of the cabinet to ensure the heat exchanger dimensions and port locations match your \u003cstrong\u003eLennox OEM\u003c\/strong\u003e requirements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this kit include gaskets and mounting hardware?\u003c\/strong\u003e\u003cbr\u003eThis is the primary heat exchanger assembly. It is standard practice for technicians to inspect and replace \u003cstrong\u003ecollector box gaskets\u003c\/strong\u003e or burner seals separately during installation to ensure a gas-tight seal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the signs of a failing Lennox heat exchanger?\u003c\/strong\u003e\u003cbr\u003eContractors should look for flame rollout, soot buildup, or cracks identified during a visual inspection or via an electronic combustion analyzer to determine if a replacement like the \u003cstrong\u003e46K92\u003c\/strong\u003e is necessary.\u003c\/p\u003e\n\u003ch2 style=\"margin-top: 0in;\"\u003e\n\u003cstrong\u003e\u003cspan style=\"font-family: 'Segoe UI',sans-serif; color: #ff2a00;\"\u003eThis item is not eligible for free shipping and must be shipped via trucking. Please contact us for a freight quote.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan style=\"font-size: 18.0pt; font-family: 'Segoe UI',sans-serif; color: #1f2124;\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\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":"Lennox","offers":[{"title":"Default Title","offer_id":46959013822642,"sku":"46K92","price":1107.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/files\/Pic_e036eec2-5595-4940-9f90-356f12af2b14.png?v=1767984559","url":"https:\/\/www.gsistore.com\/en-ca\/products\/lennox-46k92-heat-exchanger","provider":"GSIstore","version":"1.0","type":"link"}