In a message dated 97-02-23 17:34:29 EST, you write:

<< We have had 2 PNS's have problems with moisture developing in the
 tubing.  Anyone else seen this?
  >>

Yes, and if you have the mom take the flanges off & run the PNS for a minute
or so with just the tubing on, it will dry it out presto chango.

Jan Barger