Carrier HH19ZA930 Limit Switch L130-40F

The Carrier HH19ZA930 L130-40F is a Limit Switch part of the HVAC equipment to the safety and stability of the equipment. switch that is to sense the position or movement of particular elements within the system and provide an electrical signal in response to the position of the part it is monitoring It can be in confined areas within the HVAC system Limit switches are not operated by hand. But instead it a lever or plunger that is pushed by an element in the system that is in motion. the switch turns on or off an electrical circuit or in other words, it’s for turning off the heating element in an HVAC unit once the temperature reaches 130°F.