"Adman" > wrote in message
>
> Thanks for the suggestions. I'll try the thermometer calibration. How
> could I test if there was an OPD problem, short of buying a new tank?
>
> Adman

The overfill device sometimes works when it should not work and will impede
the flow of propane. Once some of the propane has been used, it should drop
down on its own, or just a sharp rap of the tank. If it is below 3/4 full,
it should give you all the gas it can. They tend to stop the flow when the
burners are opened to full to fast. The purpose of the device it to stop
the gas if the tank valve is damaged or the tank is on its side, as when
transported in your truck.