Since the models are not too out of line, I wanted to jump in here with the pressure gauge I added to my Gaggia Factory.
I didn't get so lucky with plug and play fittings, so I had to get inventive. It is attached to the steam wand, with the wand valve left open. I was worried for a while there about "false" pressure, and the need to relieve it, but something in the design does not promote it. I get and have to relieve it in my Olympia, but never the Factory.
And it may not be as "useful"

as a grouphead pressure gauge, but it serves very well to keep my shot temperatures dialed in.
