Explore our selection of genuine OEM GrandAire furnace gas burner and control valve heat exchanger parts designed to ensure peak performance and reliability. These parts are essential for maintaining your furnace's efficiency, solving common issues like failure to heat or noisy operation. Regular maintenance and timely part replacements can prevent problems such as burners not staying lit or the furnace taking too long to heat. Repair Clinic provides a wide range of resources, including troubleshooting tips and maintenance videos, to support both DIY enthusiasts and professional technicians. For other furnace needs, explore parts for Carrier, Lennox, and Goodman furnaces.
Ensure your GrandAire furnace operates efficiently with our genuine heat exchanger parts, available for same-day shipping. Regular maintenance and timely replacement of the heat exchanger can prevent common issues like insufficient heating or unexpected shutdowns. Order your parts by 9:00 PM ET, and we'll ship them out the same day to get your repairs underway promptly. Rely on Repair Clinic to provide the quality GrandAire furnace parts you need to maintain optimal performance and avoid downtime. Explore our HVAC Parts for more solutions to keep your heating system running smoothly.


When it comes to replacing your GrandAire furnace heat exchanger, Repair Clinic offers a seamless online ordering experience. Enjoy peace of mind with our No-Hassle 365-Day Returns, allowing you to return uninstalled parts for any reason within a year of purchase. Plus, take advantage of our Price Match Guarantee—if you find a genuine OEM replacement part cheaper from a direct competitor, we'll match it. Easily find the exact heat exchanger you need by using your model or part number, ensuring a perfect fit for your furnace. With same-day shipping and expert support available, Repair Clinic is your trusted source for GrandAire furnace parts.
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.