When we introduced our first 200 amp AC/DC inverter machine 10 years ago, we were up against some major competitors. However, the market readily accepted the tough line of HTP Invertig welders. Fast forward to today – HTP introduces our third generation of AC/DC inverter machines, the HTP Invertig 221!

HTP continues to set new standards in AC/DC Inverter Welders with the Invertig 221. We have increased the maximum welding current by 10% to a full 220 amps of rugged welding power. And we put the machine on a diet, the HTP Invertig 221 weighs in at only 40 lbs, so it’s easy to take right to the job! We have also added the Invertig 221 DV (dual voltage) model which welds on both 110 volts and 220 volts – the ultimate in portability.

The Invertig 221 is packed with features many of our competitors don’t even offer at twice the price! It’s the only welder in its class with independent AC amperage adjustment. This feature gives you precise control over the heat input to both the workpiece and the tungsten by allowing you to separately adjust the electrode negative and electrode positive amperage.

The 221 allows you to store up to 64 separate welding programs. So, say you found a setting you really like for welding aluminum radiator tanks to cores. AC – On, HF – On, Max Current = 180 amps, AC Balance = 65%, AC Frequency = 180 Hz, EP = 60%, Pulse Freq 1 Hz, Peak Time 80%, Background Current 30%. Simply store this program and you can come back to it when you have another tank to core job. Assigning banks of memory slots to multiple welders allows them to access their personal settings in a job shop environment.
Conventional arc welding is really simple with the Invertig 221. Using the stick mode in conjunction with the foot pedal, allows you to vary the welding amperage. Perfect when doing pipe welding!

Select the touch start mode for welding aluminum or any other material without High Frequency. This is important if your application takes you near sensitive electronic equipment, such as on site repairs in a hospital or repairing aluminum vehicles with on-board computers.

This package of power weighs just 40 lbs and fits into a cabinet measuring 19 ¾” long by 7 ½” wide by 15 ¾" high. The machine comes standard with a 12 ½' long 17 Series air-cooled TIG torch, a 12 ½’ foot pedal, flowmeter and 70 minute TIG DVD.
The advanced technology found in the Invertig 221 will allow you to produce professional quality welds in all types of metal – quickly, easily and affordably. And every Invertig 221 comes with our 90 day money back guarantee – we are so sure you will love your Invertig 221 that you can try it in your own shop for 90 days – if for any reason you don’t like it we will take it back, no questions asked. And we further back the machine with a 3 year warranty.

The Invertig 221 Air Cooled, Water Cooled or Dual Voltage are shipped for Free anywhere in the Continental United States, additional charges will apply for Hawaii, Alaska, Puerto Rico and international locations. We are happy to ship to any location, however there will be an additional charges. Please call or email us at 800-872-9353 or sales@htpweld.com to discuss any shipping questions. To place your order now please do so by adding to your shopping cart. One of our customer service representatives will contact you by phone or email if there are any additional shipping costs.