Ok, I've overcome a few challenges with this steam wand repair. After torqueing down the connections a bit more, is now leaking out the mechanism itself. Looking at this post
, it seems there is an o-ring in there as well. Peter confirmed and says this is an #8, which means I won't have this one on hand.
I didn't realize that once the valve is disassembled and the ball is out, the stem will just push into the valve, and then you can inspect the o-ring. Mine doesn't look great - I cleaned it up and put some silicone grease on it and it seems to have helped.
If anyone has a link to a #8, that'd be great too. I think these are my choices
, and this appears to be the FDA approved 008 silicone o-ring
(I use these for the 007 and 010 rings)
Also - while I'm buying the 008, are there any others I should pick up now for later to save on time and shipping? I have 007 and 010.
Here's what I was seeing before removing the stem, cleaning, and applying silicone grease.