Tom, that solenoid valve I sent you should provide the same function. It's a ported 3-port so it'll bleed off vacuum when activated. I think I sent the Peter Paul instruction sheet but if not you can go to their site and enter the PN and the directions ought to come up. Anyhow, the Peter Paul is industrial grade, top-notch stuff. I don't reacll which port is which but the instruction should walk you thru it or you can just trace the ports by sucking on it. And it should NOT leak!

Dan