Quoting "A. Foster" <monkeypuzzle1@xxxxxxx>: > Kerry; > I think that you could probably make a 12V solenoid work without a > problem > on a six volt system. > Arran Foster Arran. As you know, at 6 V, the current through the solinoid would be roughly half of what it was designed for. The force that open/closes the valve will also be half. The friction under pressure may be too high for half the energizing force. It may be worth trying though. D^2