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612998-01 assy heat exch (610280-02)

Heat exchanger

Heat exchanger

Heat exchanger

Heat exchanger

Heat exchanger

Heat exchanger

Heat exchanger

Heat exchanger

Heat exchanger

Heat exchanger

Heat exchanger

Heat exchanger

Heat exchanger

Heat exchanger
For homeowners and technicians seeking reliable solutions for furnace repairs, our selection of Lennox furnace heat exchanger parts offers unmatched quality and performance. Address common issues like heating inefficiencies or unusual noises with genuine OEM parts designed to fit perfectly and restore your furnace's functionality. At Repair Clinic, we ensure you have access to a wide range of Lennox replacement parts, whether you're dealing with a defective heat exchanger or need routine maintenance items. Our commitment to providing top-quality parts means you can tackle repairs confidently, maintaining a safe and efficient heating system. Explore our extensive Lennox parts inventory and enjoy the peace of mind that comes with trusted support from trained technicians.
Ensure your Lennox furnace is running efficiently with our genuine heat exchanger parts. Whether you're dealing with a cracked exchanger or need a replacement to address heating issues, Repair Clinic offers same-day shipping when you order by 9:00 PM ET. Our comprehensive selection of Lennox furnace heat exchanger parts helps homeowners and technicians alike tackle common problems such as insufficient heating or unexplained noises. Trust Repair Clinic for quick delivery and excellent service, ensuring your home stays warm and comfortable. Explore our extensive resources to guide you through the repair process, saving both time and money. Be sure to also view our HVAC Parts page for more repair solutions.


For Lennox furnace owners looking to maintain efficient heating, ordering heat exchanger parts online is now easier than ever. At Repair Clinic, we simplify the search for genuine OEM Lennox heat exchanger parts with our user-friendly model number lookup feature. Benefit from our No-Hassle 365-Day Returns policy, allowing you to return uninstalled parts within a year of purchase for any reason. Plus, with our Price Match Guarantee, rest assured that you'll receive the best price available for your replacement parts. Explore our extensive inventory and receive your order quickly with same-day shipping options. Trust Repair Clinic to provide the high-quality Lennox furnace parts you need to keep your heating system running smoothly.
Identifying your furnace model number is essential for finding compatible parts and accurate repair help. Watch this video for tips on locating the model number, and visit our website's furnace repair section for troubleshooting tips, part testing guides, and part replacement videos tailored to your specific furnace.

Need help finding the right furnace parts? Repair Clinic's trained customer care specialists are available 7:00 AM to midnight EST, seven days a week. Whether you have questions about part compatibility or need assistance placing an order, our experts are here to help. The Repair Clinic customer care team is dedicated to ensuring your furnace is back in working order quickly and efficiently.

A furnace that fails to ignite can leave your home in the cold. Common issues include a faulty igniter, malfunctioning flame sensor, or a defective draft inducer fan motor. Replacing furnace filters and cleaning furnace parts can help prevent these problems.

Learn why your furnace isn't working by understanding its ignition sequence and identifying common faulty parts like the igniter, flame sensor, or control board. This article provides practical repair tips and insights into each component's role in the heating process.

A gas furnace that starts and then stops unexpectedly can be frustrating, especially during cold weather. This article explains five common causes, including issues with the flame sensor, pressure switch, control board, draft inducer fan motor, or air flow. Learn how each cause may impact your furnace's operation and get tips to resolve the problem.