TIG Welders

Arctic Chill Water-Cooler (110/220V), 12.5' 20 Series Water-Cooled TIG Torch, 12.5' Foot Pedal, 10' Ground Clamp, Flowmeter, 6' Gas Hose, and 2 Gallons of Coolant.

Does Not Include: 
Welding Cart, Gas Bottle, Tungsten, or Filler Rod

Invertig™ 221 AC/DC Dual Voltage Water-Cooled

Product # 601068
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Invertig™ 221 AC/DC Dual Voltage Water-Cooled:

Meet The HTP Invertig 221, a true classic!

Trusted and used daily by thousands of welding and fabrication professionals.

Best in class arc dynamic, ultra-portable package, balance, frequency, and asymmetric arc control.

The machine is made in Italy. The foot pedal, tig torch, ground cable and gas hose are made in the USA.

Backed by the best customer service in the industry!

AC/DC Tig with pulse in AC and DC, AC/DC Stick with pulse. Runs 6010’s with ease. A lightweight package with exceptional low power draw and PFC in the dual voltage version makes it ideal for portable work or running off a generator.

Pair it with a water cooler for production work.

The SPOT weld feature makes fusion tacks really easy and convenient.

A machine that outshines most others when welding without confusing or bedazzling you with features that you may never need or have to learn the long and hard way.

 Go full professional TODAY, join the HTP Family, get your Invertig 221.

The advanced technology found in the Invertig 221 allows you to produce professional quality welds—quickly, easily, and affordable—with all types of metal. Every Invertig 221 comes with our 30-Day Money Back Guarantee. We are so sure you will love your Invertig 221 that you can try it in your own shop for 30 days. If for any reason you don't like it, we will take it back no questions asked. Further, we back the HTP Invertig 221 with a 3-year warranty.

The Invertig™ 221 AC/DC Dual Voltage Water-Cooled Specifications:

Input Voltage 110V/220V (208 to 240V)
Welding Current Single-Phase 4 to 220A
Single-Phase Rated Output 20% @ 220A
230V Single-Phase Input Amps @ Rated Load 26A
Welding Modes Stick
TIG Spot
TIG Reset
Programmable Memories 64
Asymmetric Arc Yes
AC Frequency (Hz) 20 to 200
AC Balance (%) 10 to 90
Pre-Flow (Seconds) 0.1 to 2.0
Post-Flow (Seconds) 0.1 to 30.0
Initial Amps (%) 10 to 90
Final Amps (%) 10 to 90
Slope Up (Seconds) 0.1 to 2.0
Slope Down (Seconds) 0.1 to 2.0
Spot Time (Seconds) 0.1 to 10.0
Wave Forms Square
EN Amperage (%) 10 to 90
EP Amperage (%) 10 to 90
Duty-Cycle (TIG) 20% @ 220A
60% @ 165A
100% @ 145A
Duty-Cycle (Stick) 25% @ 200A
60% @ 155A
100% @ 140A
Dimensions (Length x Width x Height) 19-3/4" x 7-1/2" x 15-3/4"
Weight 42 Lbs.
Pulse Parameters
Pulses/Second (PPS) Stick AC & DC
Pulses/Second (PPS) TIG AC
Pulses/Second (PPS) TIG DC
Peak Time (%)
Background Amps (%)

0.4 to 5.0
0.4 to 10.0
0.4 to 999
10 to 90
10 to 90

The Invertig™ 221 AC/DC Dual Voltage Water-Cooled Accessory Packages:

The standard Invertig™ 251 AC/DC Dual Voltage (110/220V) water-cooled package includes the following items:

♦ Invertig™ 251 AC/DC Dual Voltage (110/220V) Power Source with 110/220 Adapter
♦ 110/220V Arctic Chill Water-Cooler
♦ 12.5' 20 Series Rigid Neck Water-Cooled TIG Torch 110/220 Adapter
♦ 12.5' Foot Pedal
♦ Flowmeter
♦ Gas Hose
♦ 2-Gallons of Coolant 
♦ 10' Ground Cable and Clamp Assembly


 *Upgrade options are available via the drop-down boxes above for an additional charge.

CA Prop 65 - For Residents of California
Warning: Welding and cutting equipment, accessories, and fumes can expose you to chemicals, including Chromium (Hexavalent Compounds), Lead, and Nickel, which are known to the State of California to cause cancer and/or birth defects or other reproductive harm. For more information, please visit www.P65Warnings.ca.gov.

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