Product Introduction: The HH18HA502A Furnace Replacement Limit Switch is a limit switch made for Carrier furnaces, ensuring a perfect fit and reliable performance in your heating system. Compatibility:HH18HA502A Furnace Limit Switch L180F-40 Fits for Carrier 1NT01L-4565,etc.Also fit for Bryant and Payne Furnace or others High-Quality :The Furnace Replacement Limit Switch L180F-40 Crafted from premium materials designed to withstand high temperatures and repeated use, this L180-40 limit switch helps regulate your furnace's internal temperature and airflow. It plays a critical safety role by shutting off the system when unsafe conditions are detected. Easy installation: The HH18HA502A Furnace High Limit Switch is remarkably straightforward to install. Simply remove the old unit and fit the one in its place - a time-saving and effortless process. After-sales service: Should you encounter any issues, please do not hesitate to contact us at any time. We shall address your concerns promptly. Color: As Shown Material: Metal+Plastic Package Contents: 1*Limit Switch