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Discussion Starter #1
I bought some gc 450 valves from suicidedoors.com at the Greenville show. I got them out yesterday and noticed they had 3 wires instead of 2 like my smc's! There is a green, red, and black. I know the black is the ground, and the red is the hot wire, but what is the green for?

Thanks
Trey
 
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