Did a pressure test.. Does not look too good..
http://ecorenovator.org/forum/geothe...html#post12327
Since the One Step Can comes with a cut-off valve, it might be possible to connect the
cut-off to the service port and then connect the little hose,
loosely to the cut-off..
Then jab the button to
flood the hose with a little R410A, which should force out the air.
Then quickly tighten the connector. (Using gloves of course).
Then, proceed to add some R410A to your system...