Carrier HH18HA470 Auto Limit Switch

Carrier HH18HA470 is an Auto Limit Switch a protective device that is installed in different Carrier HVAC products, such as furnaces and air conditioners. This auto limit switch means that any temperature that goes beyond a safe range usually between 100-170°F for this switch will shut the system down to avoid damage. This prevents damage to HVAC equipment due to overheating and enhances its performance. This Switch is usually a small device with a dimension of about 1.25 inches in length, 0.75 inches in width and 1 inch in height.