the solenoid is built into the unit. Yours already has it.
It's already hooked up to the trigger on the gun.
I believe once you get yours converted to gas, you won't want another machine right away.
I use mine for a lot of fabrication and it impresses me all the time. I have built more trailers that I can count with it.
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I'm on the Instagram- @Gearhead_Kevin
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