4422 - Bernard Style 4422 Trigger Switch for EZ Handle MIG Guns

Product Overview

The Miller 4422 Trigger Assembly (Bernard Style) is a specialized replacement component designed for the maintenance and repair of Bernard MIG welding guns equipped with the classic EZ Handle. Identified by the industry-standard part number 4422, this trigger switch is engineered to meet the operational demands of industrial welding environments. It is specifically rated for 400 Amp guns, ensuring it can handle the electrical and mechanical stresses associated with heavy-duty welding applications.

As a critical control component, the trigger switch is responsible for initiating the wire feed and gas flow, making its reliability paramount for consistent weld quality. This assembly is manufactured to precise tolerances to ensure a seamless fit within the EZ Handle housing, eliminating the need for modification during installation. It serves as a direct replacement for worn or malfunctioning OEM switches, restoring the tactile feedback and responsive control necessary for precision welding tasks.

Technicians and procurement specialists should note that this unit is compatible specifically with the EZ Handle design and may not fit other handle styles such as the curved or T-series handles without verification. The switch mechanism is enclosed to protect against dust and debris ingress, common in shop environments, thereby extending the service life of the component. Whether for stock replenishment or immediate repair, this 4422 trigger switch provides a dependable solution for maintaining fleet uptime.