The York 031 01743 001 control board rev-A
York 031-01743-001 I/O Control Board (OEM Chiller Control Board)
Overview
The York 031-01743-001 Control Board is a factory OEM input/output (I/O) board designed for use in York chiller systems. This board processes signals from sensors and field devices, then controls actuators and other components to maintain system operation, safety, and performance. Built for reliability and durability, it’s a crucial part for maintaining optimal chiller efficiency and uptime.
H2: Key Features
OEM York input/output (I/O) board ensures compatibility with original York chiller control architecture.
Panel-mount design for stable installation in chiller control cabinets.
Interfaces with sensors, actuators, safety switches, and other components to coordinate operations.
Durable build with appropriate revisions (e.g. Rev-A, Rev-D depending on model) to match your chiller’s version.
H2: Technical Specifications
| Specification | Detail |
|---|---|
| Brand | York (Johnson Controls) |
| Part Number | 031-01743-001 |
| Type | I/O Control Board for Chiller Systems |
| Mounting | Panel Mount |
| Weight | ~ 1.3-1.7 lbs (varies by revision) |
| Dimensions | ~ 16″ × 6″ × 4″ |
| Compatibility | York chillers with matching board version / revision; must match sensor & actuator wiring & control harness |
Applications
Replacement board for York chillers when the original control board has failed or shows erratic or no operation.
Use in preventative maintenance to restore control reliability.
Systems where sensors (temperature, pressure, etc.) feed into this board for controlling compressors, fans, pumps, etc.
Commercial or industrial HVAC where OEM specification and reliability are required.
Installation & Best Practices
Make sure chiller is powered down before installing.
Verify that the board revision matches your existing board (not all revisions are identical); mismatch may cause compatibility issues.
Ensure proper wiring of all sensor & actuator leads, harnesses, and remove any debris or corrosion before connecting.
Mount in a clean, moisture-protected control enclosure.
Inspect board for signs of overheating, burned connectors, or failed components if replacing due to failure.
Why Buy from Apex Controls
We offer genuine York control boards with verified OEM part numbers.
Full specifications, dimensions, and weight listed for confident ordering.
Fast shipping and expert support; we help ensure you get the correct revision for your chiller.
IMPORTANT DISCLAIMER: Due to Manufacturer’s restrictions, we sell YORK parts for installation by licensed contractors and qualified HVAC personnel only. Purchasing YORK parts without utilizing a qualified HVAC installer/technician voids any and all warranties for that product.



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