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Spool Guns Upgrade guns for Miller 14 Pin Power Supplies, That Miller doesn't want you to know about.

Updated: Oct 27

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The Profax AEC Miller-style spool gun is the answer to your spool gun needs. The gun features an internal, repairable mechanical gas valve located in the handle. The positive welding power leads through the opening on the front of the machine, or we will attach the proper welding lead plug for your power supply. Just let us know. The gas hose comes with a standard brass fitting that fits most standard regulators/flowmeters.

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Suppose you own a Miller, Compac, or an older Thermal Dynamics mig machine with this amphenol-style receptacle. This gun plugs directly into your machine, enabling plug-and-weld functionality. If you have any questions, check it for yourself. With an AC voltmeter, check for 24 volts (or higher) between pins A & G. With a paperclip, short pins A & B, it's only 24 volts, it won't hurt you. You should measure the full open-circuit voltage (between the electrode lead and the ground lead). This is a fast and easy way to check your power supply.


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Why you should consider the Profax AEC-200 spool over the Miller 30A?

  1. Start with cost? Call your local Miller dealer and get a price quote on a new Spoolmatic 30A for your Miller mig machine with a 14-pin receptacle with 30' leads.

  2. Figure $2206.00 list price

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  1. If your salesman doesn't mention it, you will need a WC-24 (132549) adapter to connect the gun to your machine.

    This is necessary to adapt your 30A gun to your 14-pin receptacle. Get ready to shell out another $600.00

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  1. You need longer leads? You'll need to purchase a 25 ft. cable extension—$ 11113.0.


    You need longer leads, 50', Another $1548.00

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Dollars and cents; You need a spool gun with 50' leads.

  1. Spoolmatic 30A gun: $2000.00

  2. WC-24 Adapter: $600,00

  3. 25 ft, lead extension kit: 1100.

    Sub Total: $3700.00

It's on back order, and that was your quote?
It's on back order, and that was your quote?

Profax AEC-200 Miller spool gun. Made in Texas


  1. 250 amps 60% duty cycle. With standard consumables.

  2. 50-foot leads.

  3. Proven design; the original gun design dates back to the late 1950s.

  4. Gun is maintainable. We have every bolt, nut, screw, fastener, casting, motor, metal, rubber, and plastic part sitting on the shelf.

  5. We can literally sell you all the parts, and you can assemble your own gun.






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MILLER (WELDMART) DIRECT CONNECT SPOOL GUNS FOR MILLER 14 PIN MACHIES
$1,000.00
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