Find the right part faster
Multiple models matched. Select your model to confirm fit.

Flame sensor

Flame sensor kit

Water sensor

Thermistor

Flame sensor
Ensure your Ruud furnace operates flawlessly with high-quality OEM sensor and thermistor parts from Repair Clinic. These essential parts, including flame sensors and thermistors, are designed to detect and regulate crucial furnace functions, ensuring safety and efficiency. Common issues like the furnace not heating or burners failing to stay lit can often be traced to faulty sensors, making timely replacement vital. Homeowners and technicians trust Repair Clinic for genuine Ruud parts that promise durability and performance. With easy access to a wide range of parts, troubleshooting guides, and expert advice, you can confidently maintain your furnace's optimal operation.
Ensure your Ruud furnace is running smoothly by replacing faulty sensors and thermistors with our genuine parts available for same-day shipping. Whether it's a flame sensor, moisture sensor, or thermistor, Repair Clinic provides high-quality replacements to address common furnace issues such as heating failure, noisy operation, or ignition problems. Order by 9:00 PM ET and get the parts you need quickly to restore your furnace's performance efficiently. We also offer extensive repair resources to assist both homeowners and technicians in troubleshooting and fixing their appliances, ensuring peace of mind with every purchase. Explore our wide selection and keep your Ruud furnace in top condition.


Shop for Ruud furnace sensor and thermistor parts online at Repair Clinic to ensure your heating system runs efficiently. With our easy-to-use parts lookup tool, finding the exact sensor or thermistor for your Ruud furnace is a breeze. Benefit from our No-Hassle 365-Day Returns, allowing you to return any uninstalled parts within a year of purchase. Plus, take advantage of our Price Match Guarantee to ensure you're getting the best deal on genuine OEM parts. Order by 9:00 PM ET, and enjoy same-day shipping to get your furnace back in working order quickly. Whether you need a flame sensor or a thermistor, Repair Clinic has you covered with reliable Ruud 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.