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High limit thermostat, 140 open, 100 close

Limit switch

Auxilliary limit control, df

Control-limit

140f high limit

Switch temp act

Limit control, 220f

Re-settable high limit thermostat

High Limit Thermostat

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Ensure your furnace operates safely and efficiently with our genuine OEM high limit thermostat replacements. A critical part in preventing overheating, the high limit thermostat safeguards your heating system from potential damage. Trusted by top brands, these thermostats are designed to meet the highest standards of quality and durability. When your furnace experiences issues like frequent shutdowns or inadequate heating, it might be time to replace the high limit thermostat. Explore our extensive selection of furnace parts and replacement parts to ensure a seamless repair process. For additional support, check out our furnace repair & troubleshooting resources. Trust Repair Clinic to provide the parts you need to maintain your furnace's peak performance.
Ensure your furnace runs safely and efficiently with a high limit thermostat replacement from Repair Clinic. As a critical part, the high limit thermostat prevents overheating by regulating the furnace's maximum temperature. If your furnace is shutting off unexpectedly or not heating properly, it may be time to replace this vital part. Order your genuine OEM thermostat by 9:00 PM ET for same-day shipping, and enjoy peace of mind knowing you're using quality parts. Explore our extensive selection of Furnace Thermostat Parts and Switch Limit Switch Parts to keep your heating system in top shape. Repair Clinic is your trusted source for furnace parts online, empowering both DIYers and professionals to tackle repairs with confidence. Visit our HVAC parts section for all your heating needs.


Ensure your furnace operates safely with a high-quality Furnace High Limit Thermostat from Repair Clinic. As a crucial safety part, the high limit thermostat prevents overheating by shutting off the burner when temperatures exceed safe levels. At Repair Clinic, you can easily find and order genuine OEM furnace parts online, including high limit thermostats for various models. Benefit from our Price Match Guarantee and No-Hassle 365-Day Returns policy, ensuring you get the best part at the best price. Explore our extensive Furnace Parts section or search for Furnace Parts by Model Number to find compatible replacements. With Repair Clinic's repair help resources, DIY enthusiasts and professionals alike can confidently tackle repairs and maintain efficient furnace operation.
When replacing a furnace high limit thermostat, it's crucial to identify your furnace's model number or the specific part number for easy and accurate part replacement. This part plays a vital role in preventing overheating by cutting off the burner if temperatures exceed safety limits. Brands like Carrier, Trane, and Goodman frequently use these thermostats, ensuring compatibility across various models. To find the correct part, examine the furnace's access panel for the model number or refer to the user manual. For assistance, visit Repair Clinic's Furnace Repair page, offering guidance on locating and installing genuine OEM parts. Repair Clinic empowers DIYers and professionals alike, providing quick access to quality furnace replacement parts online, ensuring efficient and cost-effective repairs.

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.

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