i just purchased 325 ext and w300 torch cooler .looks great ! i got the w300 220 cooler .the 325ext.the tig welder didn't have the plug in on back .it was supposed to according to literature .etc .any one do this?..get computer power ac cord that fits the male end of the cooler cord .cut of the male end of the computer cord ;male end and wire it into the 240v 6-50 nema plug you have to set up with anyway the welder 325ext .you can plug and unplug it just as if there was a socket on the back and it will function the same?one of the tech guy told me this would work..just wanted some practical experience to validate. i got the cart too .just setting it up ..i have little experience tig welding .have a millermatic 180 and an ext 300 dc .that i stick with some ..basically a green horn. any input would be soooo appreciated regarding the cooler plug setup ...long way to go and a ton to learn ..practice practice