Description
The Carrier HH18HA420 Auto Limit Switch is an essential safety device applied in HVAC systems. This device is used to detect the temperature inside the furnace and if the temperature touches the limit, it prevents the burner from operating. This is designed to provide better performance and safety and increase the duration of the heating system by avoiding overheating of the system. Its integration within the system enables the unit to run, stably and safely, within the system. This auto limit switch is essential in regulating the operating conditions of heating equipment and also in enhancing the durability of this equipment.









