Carrier HK06MB020 Dual Pressure Switch -0.75"WC/-0.30" WC

The Carrier HK06MB020 Dual Pressure Switch is a part used for controlling pressure in a HVAC systems. It is a dual pressure switch that consists of two separate pressure sensing mechanisms, high pressure and low pressure. These elements are coupled to the refrigerant lines of the system in question. If the pressure of the system is outside the set limits, the switch turns on or off the electrical contacts to initiate corresponding actions in the system’s control circuit. For example, the high-pressure sensor may indicate that the pressure is too high, and directly stop the compression to avoid something going wrong.