Originally Posted by snorulz
Hate to break it to you but you are getting a heck of a lot more than just one more heat setting for the extra $300. You get what you pay for. I hope the hf welder works well for you.
Break these welders down, part by part, and tell me what the differences are.
Diode's, capacitor's, transformer's, rectifiers, potentiometer's, fan, switches.... etc.
Wonder where they all source there parts from