Automatic air tank drain valves
I tried to drain the water from the air tanks on our RV and I couldn’t find the drain valves. No valves to turn and no lanyards to pull. On the tanks, where drain valves should be, are some sort of gi...
Forum Discussion
Thanks Opnspaces for the info. I got my RV info into my signature and I finally understand how to insert pictures. Here is a pic of the gizmos that are on the bottom of my air tanks. 
