At 11:35 AM 4/13/2008, J Stewart wrote...
>was no big deal. And the rush of propane I got when disconnecting the
>one pound bottle was far more than the usual "pffft" you get when
>disconnecting them, it went on for several seconds after the bottle
>was disconnected, and came from the Westy tank, not the disposable
>bottle. Luckily I quit smoking 10 weeks ago.

When using an outboard tank, you need to turn valve on the Westy tank
CLOSED, before you hook up the extra tank. Otherwise, the external tank
will pump propane into the Westy tank, and you'll get exactly the
results you observed.