The valve by design is supposed to turn off due to the internal float.
It is designed to save our little skins from the bad propane bottles... :-)
Maybe you have one that is not functional.

Martin
Martin Eastburn
@ home at Lions' Lair with our computer lionslair at consolidated dot net
NRA LOH & Endowment Member
NRA Second Amendment Task Force Charter Founder



wrote:
I just held the 20 # tank upsidedown. The fact that it was an OPD
valve tank did not seem to matter.

Dan


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