
Furnace flame sensor with wire harness

Furnace flame sensor. The flame sensor monitors the burner to detect whether or not a flame is present. If the flame sensor is defective, the furnace may not heat.

Thermocouple kit
Ensure your Intertherm furnace operates efficiently with genuine OEM sensor and thermistor parts from Repair Clinic. These critical parts, such as the Intertherm furnace flame sensor and thermocouple, help maintain proper temperature regulation and system functionality. Common issues like the furnace not heating, the blower not running, or the burners failing to stay lit can often be traced back to faulty sensors. Our selection of Intertherm parts is designed to address these problems, helping homeowners and technicians restore their heating systems with confidence. Navigate our extensive resources, including step-by-step repair guides and troubleshooting tips, to ensure your furnace remains reliable throughout the cold season.
Ensure your Intertherm furnace is running smoothly with our reliable sensor and thermistor parts. Whether you're dealing with a faulty flame sensor or a malfunctioning thermocouple, Repair Clinic offers genuine Intertherm replacement parts to get your furnace back to optimal performance. Order by 9:00 PM ET, and we'll ship your parts the same day, so you can address heating issues promptly. Our selection of HVAC parts is designed to provide peace of mind for both DIYers and professional technicians. Keep your home warm and comfortable by replacing defective parts swiftly, ensuring a hassle-free repair experience with Repair Clinic's extensive resources and support.


Shopping for Intertherm furnace sensor and thermistor parts has never been easier. At Repair Clinic, we offer a seamless online ordering experience with a Price Match Guarantee, ensuring you get the best deal on genuine OEM parts. Enjoy peace of mind with our No-Hassle 365-Day Returns, allowing you to return uninstalled parts within a year of purchase. Easily lookup parts by model or part number to find exactly what you need. Whether you're a DIY enthusiast or a professional technician, take advantage of same-day shipping options to get your furnace back up and running in no time. Visit our replacement parts page for more information.
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.