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

By removing moisture and acids

reducing high-side pressure

Its rugged steel shell

York 031-01095-002 Micro Board 318518-761 5" WC factory pressure regulatorThe 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