0 µA is required for continuous gas valve operation

the system recognizes the new calibration data immediately

Wide Compatibility: Designed specifically for Marley Engineered Products heating units

Is the mounting bracket included with this part number

Carrier HK02ZA404 Pressure Switch 322027-701 0 µA is required forThe Carrier HK02ZA404 is a vital OEM high pressure switch designed specifically for Carrier, Bryant, and Payne HVAC and refrigeration systems. This factory authorized part is engineered to safeguard the compressor and refrigeration cycle by monitoring internal pressures and opening the electrical circuit when limits are reached. The switch features a 650 PSI cutout and a 420 PSI cut in reset point, ensuring the system operates within safe mechanical