. The first thing I recommend is this, whether you do business with me or not, hang onto that Miller 35.
The machine is one of the simplest, most reliable and most maintainable Mig welders ever produced. I have been working on welding machines since 1971-I have never seen a major component failure in these.
Up until 2017, Tweco made an adapter for these units; I sold hundreds in my original kit. After Tweco deserted me, I was stuck for about a month, until I came up with an idea. I found a source of Euro style connectors; we modify them in house as part of our kit. The kit comes with a new adapter, new gas solenoid, and new gun. With our kit you should be able to keep the machine for the rest of your life.
The upgrade kit includes the following items;
1. Custom Euro quick disconnect adapter with mounting hardware.
2. Gas Solenoid with necessary hardware.
3. New Tweco Style (Profax) 180 amp mig gun.
4. Complete instructions.
5. Unlimited free telephone service.
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$395.50Price
Weldmart "Ezzee Idler Upgrade" System

The Weldmart Centurion PC board is the most advanced and easiest board to troubleshoot. Three different colored LED indicate status of the board.
The board can be used with a Reed Switch or with the "Hall-Effect Sensor" mounted in the right had corner of the board a simple wire takes the place of the reed switch.
With power to the board, you test the board by passing a small magnet over the Hall Effect Sensor, if the board is good, it will switch from low idle to high welding speed. No meters, no test lights, no guessing!
To check your idler solenoid, with power on, remove the wire on terminal 4 adn touch it to on if the mounting bolts. You get a small spark and hear the solenoid "pull-in".

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