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Miller Welder A.C. ARC Thunderbolt 225 Serial No. CK 33732 .I have the welder and would like the manual for it

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I am pretty sure there is such a machine as you say.

Posted on Apr 18, 2017

  • Gordon Boychuk
    Gordon Boychuk May 05, 2017

    Thank you. The welder is in mint condition. works like a charm.


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Hello Gordon,

I don't think that is a correct Miller serial number. It could be the stock number, but that will not help you find the manual. If you can find your correct serial should be near the stock number on a plate or label and starts with two letters, ex. LG123456B...should look something like that. Enter that number into the user's manual search feature, follow this link to the web page:
Sometimes machines are so old that the search feature will not bring up a user's manual. If that is the case, call them at this number, 920-734-9821, ask for tech support and they will most likely be able to email you a copy.

That machine is fairly bullet proof and does not have many features. Is there something I can help you with regarding its features or usage?

Good luck,


Posted on May 03, 2017

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Take it back in to get a refund

Posted on Apr 18, 2017

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Posted on Jan 02, 2017

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