To adjust the Parker 900409P

This unit directly replaces older Lennox 85M48 and 100016-01 part numbers

Extended Valve Lifecycle: Rebuilding the internal assembly prevents the need for full valve body replacement

" this board provides the necessary diagnostic logic to restore system integrity

York 026-41937-000 Support 326058-756 To adjust the Parker 900409PThe York 026 41937 000 Support is a precision engineered structural component designed for high tonnage HVAC systems, specifically built to maintain the alignment and stability of internal mechanical assemblies within York centrifugal chillers and large scale industrial condensing units. Fabricated from heavy duty materials to resist thermal expansion and mechanical vibration, this support ensures the integrity of critical refrigeration circuits under