This fan and limit switch is a crucial component in HVAC systems, regulating the temperature and ensuring proper airflow. It is designed to automatically turn on and off the blower fan as needed, while also controlling the furnace's heat output. Made with high-quality materials, this switch is durable and reliable, providing long-lasting performance. Its compact size makes it easy to install in most furnaces, making it an ideal choice for HVAC service technicians looking for a dependable replacement part.