Teves unit here

[Guest EDBSO]

Not mine, I know nothing about it, no affiliation etc. FYI

[Barney Eaton]

Here is your picture with my additions, maybe someone with a better photo package could do this correctly. A good picture with components identified would help others.

I also wish I knew how to display the picture with the note.

The 90 degree elbow that Harry broke is noted. In my opinion, this is the best place to drain the resevoir. However, as Harry discovered, it can be broken if badly stuck.