Click image for larger version.  Name: Auto Switchover Regulator.jpg  Views: 12  Size: 85.4 KB  ID: 31927Click image for larger version.  Name: Regulator 2.jpg  Views: 15  Size: 81.9 KB  ID: 31928

I believe this is an automatic switchover regulator and that both tanks need to be open for it to function properly? And the lever on top is manually operated and will show if one tank (or both) is either empty or full? Thanks in advance, I've been getting conflicting information about it.