Carrier HH19ZA221 Limit Switch

The Carrier HH19ZA221 Limit Switch is an essential part of HVAC systems that is mainly used to measure and regulate the temperature and pressure in the system. It works by triggering an alarm when a certain threshold is attained, and switches the system on or off to protect it from breakdown. This kind of limit switch is utilized in air conditioning, heating, refrigeration units and systems to avoid over heating or over pressurization. This product has the advantage of enhancing the reliability of the system, shielding delicate parts, and enhancing the efficiency of the system. It prolongs the life of the system by protecting it from harsh conditions hence should be used to maintain HVAC systems.