274484 - Miller ArcReach PC3 and PC4 Circuit Board Replacement Kit

Restore ArcReach Functionality with Genuine Miller Parts

The Miller 274484 Kit, ArcReach Boards PC3 And PC4 is a critical repair component designed for specific Miller welding power sources equipped with ArcReach technology. Modern welding equipment relies on sophisticated electronics to manage power output and communication between the power source and remote wire feeders or stick remotes. When these internal control boards fail, the advanced features that make your Miller machine efficient—specifically the ability to adjust parameters at the weld joint without control cables—can be compromised.

This kit includes both the PC3 and PC4 circuit boards. Miller typically bundles these boards together to ensure hardware and firmware compatibility, preventing issues that might arise from mixing old and new board revisions. By installing this genuine OEM kit, you ensure that your machine's internal logic, signal processing, and communication protocols are restored to factory specifications.

Why Choose OEM Circuit Boards?

Welding environments are harsh, with high electrical noise, dust, and vibration. Genuine Miller circuit boards are engineered to withstand these conditions and are tested to ensure they interface correctly with the rest of your machine's architecture. Using the Miller 274484 kit guarantees that your ArcReach signals are processed accurately, maintaining the safety and performance of your welding operations.

Whether you are a service technician performing a repair or a facility manager maintaining a fleet of welders, this kit provides the exact components needed to resolve board-level failures related to the PC3 and PC4 subsystems.