Ok.  Liquid propane in a bottle makes its own pressure which is dependent
on temperature -- from about zero at somewhere around -20F to let's say 200
at about 150F.  Those aren't the right numbers but they're close enough.

Some appliances (propane torches, typical catalytic heaters, in general
anything with a fitting that resembles a disposable bottle) take gas at
line pressure.  They may or may not internally regulate it, depending.

Others, with a POL fitting, also take at line pressure, and probably
regulate it -- in fact the POL fitting is typically on the regulator or a
hose attached to it.  Like BBQs.  And like the regulator on the Westy
tank.  The output of the regulator is typically about 6 oz/in**2, or 11" WC.

Others, such as the Westy stove and fridge, want LP gas already regulated
to 11" WC.

Others, like my furnace downstairs, want natural gas regulated to 4" WC --
or rather it takes it at six and regulates it to four.

And so on.

david

At 13:27 11/4/2000, Bill Davidson wrote:
>Jim, David, & List...
>
>Now I am confused again :) ....

David Beierl - Providence, RI
  http://pws.prserv.net/synergy/Vanagon/
'84 Westy "Dutiful Passage"
'85 GL "Poor Relation"