this unit eliminates the vibration and bearing failure common in aftermarket alternatives

By removing moisture and acids

5" WC factory pressure regulator setting and 1/2" NPT inlet/outlet connections

It retains the same footprint while introducing an improved gear train and easier DIP switch configuration for signal range selection

fail-safe design with a stainless steel spring and EPDM rubber disc to ensure positive shut-off and reliable reseating after discharge

York 031-01095-002 Micro Board 318518-761 this unit eliminates the vibrationThe York 031 01095 002 Micro Board is a critical microprocessor control assembly engineered for high tonnage York chiller systems and industrial HVAC applications. This processor board, often identified as BRD 4901 or BRD 4904, functions as the central logic unit for managing complex operations including compressor staging, fan sequencing, and safety interlock monitoring. Built for long term reliability in demanding environments, this York PCB