OK, a timely piece of information given that I just put on a new fill valve
this morning and filled the tank. It was of course full of air since the
valve was completely out of the tank. It is not filled with 3.32 gallons of
propane and obviously that much air, by volume anyway. I have not tried to
light anything. Should I? Should I empty the tank almost out and fill
again? The bleed valve was open during part of the fill.

Thanks,

Jim

On Wed, Mar 22, 2017 at 8:10 AM David Beierl <dbeierl@attglobal.net> wrote:

> They're full of air to start.  That's too lean to burn.  In use they're
> full of propane which is too rich to burn.  You have to get a new tank past
> the point of containing an explosive mixture before you can use it or the
> first time you light something it could flash back through the lines and
> blow the tank apart.
>
> Yrs,
> d
>
> On Wed, Mar 22, 2017 at 6:36 AM, Roman Haag <romanhaag@ymail.com> wrote:
>
> > So a new tank needs to be purged?  I did not know this.
> >
> > Sent from someone's plumbing
> >
> >
> > > On Mar 22, 2017, at 01:37, David Beierl <dbeierl@ATTGLOBAL.NET> wrote:
> > >
> > > Off the cuff -- I'd take it to any propane place to purge.  During
> > purging
> > > at some point there will be an explosive mixture in the tank, you don't
> > > want to be around if it finds a spark.
> > >
> > > Yrs,
> > > d
> > >
> > >> On Tue, Mar 21, 2017 at 9:32 PM, gary hradek <hradek@yahoo.com>
> wrote:
> > >>
> > >>
> > >> I just bought a Worthington Pro Grade 4.25 lb. Empty Propane Tank from
> > >> Home Depot to use with my Colemanstove.   The 1 pound cylinders are
> > >> nowclose to 8 dollars a piece.   I was goingto fill it from the 20
> pound
> > >> tank but they say something about purging it.   Can I just fill and
> > empty
> > >> it a few timeswith propane vapor before trying to fill it with the
> > liquid
> > >> by inverting the 20pound tank?   I am guessing there is acharge to
> have
> > it
> > >> purged somewhere?
> > >>
> > >> Gary
> > >>
> > >>
> >
>