190220 - Miller 190220 Trigger Spring for ICE Series Plasma Torches

Genuine Miller OEM Trigger Spring for ICE Series Torches

The Miller 190220 is a specialized compression spring designed to restore the mechanical functionality of the trigger assembly in Miller ICE series plasma cutting torches. As a critical component of the torch's operator interface, this spring provides the necessary return force to disengage the microswitch immediately upon release, ensuring the pilot arc and cutting arc are terminated safely and predictably. Manufactured to Miller's precise engineering standards, this spring maintains consistent tension over thousands of actuation cycles, resisting the fatigue and plastic deformation often seen in generic alternatives.

This component is essential for the proper maintenance of the torch handle assembly. Over time, thermal cycling and repetitive mechanical stress can cause the original spring to lose its modulus of elasticity, resulting in a "spongy" feel or, in severe cases, a trigger that fails to reset. This replacement part is dimensionally identical to the factory-installed spring, ensuring a seamless fit within the molded housing of the ICE-40C, ICE-50C, ICE-55C, ICE-60T, and ICE-80T torches. It is compatible with both hand-held and machine-torch configurations where applicable, provided the trigger mechanism utilizes the standard ICE series geometry.

Installation of the 190220 spring requires disassembly of the torch handle clamshell. Technicians should verify the condition of the trigger pivot points and the microswitch itself during this replacement procedure. Using genuine Miller parts guarantees that the spring rate matches the design specifications of the switch actuation force, preventing operator hand fatigue while maintaining a positive safety margin against accidental activation. This part is supplied individually and is a recommended stock item for MRO cribs supporting Miller Spectrum plasma cutters.

Technical Specifications

• Part Number: 190220


• Material: High-grade spring steel


• Function: Trigger return and tensioning


• Compatibility: Miller ICE-40C, ICE-50C, ICE-55C, ICE-60T, ICE-80T