Quick Disconnects (LP) - High Flow

Using any type of quick disconnects to switch between gas supplies while in the water has the risk of introducing at least a few drops of water contamination in the line and possibly flooding the downstream side of the line. This has the potential to cause a malfunction in any devices that are downstream of the disconnect. The diver should close the upstream shutoff or valve, perform the switch, then open the valve and operate the downstream device to clear the line. Dive Gear Express recommends that in-water switching using quick disconnects only be performed as an emergency procedure. For in-water switching that does not run the risk of contamination through the quick disconnects, consider using a gas switch block.