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

Thermister Start Kit
Ensure reliable performance with genuine Carrier furnace start device parts from Repair Clinic. Our OEM parts are crafted to meet the highest standards, ensuring compatibility and durability for your Carrier furnace's compressor and sealed system. Common issues like the furnace not starting or the blower not running can often be traced back to a faulty start device. By using genuine Carrier parts, you maintain the efficiency and safety of your heating system. Explore our extensive range of start devices and related parts, and take advantage of our comprehensive repair resources to guide you through installation. Trust Repair Clinic to provide you with the best solutions for all your Carrier furnace maintenance needs.
Ensure your Carrier furnace operates smoothly with top-quality start device parts available at Repair Clinic. Common issues like the furnace not turning on can often be traced to a faulty start device. By ordering your replacement start device before 9:00 PM ET, you can take advantage of our same-day shipping to resolve heating problems swiftly. Avoid disruptions and maintain a warm home environment with reliable parts delivered quickly. Explore our selection of Carrier start devices, and enjoy the confidence of fixing your furnace efficiently. For broader HVAC needs, visit our HVAC Parts page for more options.


Shopping for Carrier furnace start device parts has never been easier with Repair Clinic. Our user-friendly platform allows you to quickly find the exact part you need using your model or part number. Enjoy peace of mind with our No-Hassle 365-Day Returns, allowing you to return uninstalled parts within a year of purchase. Plus, our Price Match Guarantee ensures you get the best deal on genuine OEM replacement parts, as we match competitor prices for identical items. With same-day shipping on eligible orders, you can have your Carrier furnace up and running in no time. Visit our replacement parts page for more options.
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.