Product Description

The Miller Econotig is a reliable, entry-level AC/DC TIG and Stick welder, heavily favored by hobbyists and light fabrication shops. Built as a rugged transformer machine, it operates on single-phase power and is highly regarded for its ease of use when working with steel, stainless steel, and aluminum.

Key Specifications

• Processes: AC/DC TIG (Gas Tungsten Arc Welding) and AC/DC Stick (Shielded Metal Arc Welding).
• Amperage Range: ~20 A to 150 A. (Requires a minimum of ~30 A, which limits its ability on ultra-thin sheet metals).
• Duty Cycle: 20% at 150 A.
• Material Thickness Capacity: Welds 18 gauge up to 3/16″ for steel/stainless steel; 14 gauge up to 3/16″ for aluminum.
• Power Requirement: Typically operates on 230 V single-phase, though some older industrial models may be configured for 460 V. [1, 2, 3, 4, 5]

Common Pros & Cons

• Pros: Bulletproof, old-school transformer reliability. It’s a complete, all-in-one setup that easily handles standard hobby projects.
• USE-TIGK128
• PDC/05-28-26