Carrier HH18HV135 Auto Limit Switch 110°F-135°F

The Carrier HH18HV135 is an essential automatic limit switch used in Carrier HVAC systems for regulating the temperature. This small switch is responsible for ensuring the safe standard of flow in particular pieces of equipment handling hot air or fluid. In this case, when the temperature reaches a preset level of 110°F the switch opens breaking the circulation of electricity to the heaters or compressor. It times the operation of heating elements or, in the case of refrigeration systems, it controls the time when to switch the compressor off and on by set points. As a result, to avoid overloading, the switch protects your system and ensures proper functioning.