Loewchen wrote:Based on viewtopic.php?f=58&t=20794 a won't fix.

Aha! I was doing all my searching for the small pump, but the prior report was on storage tanks. Thanks.

I first noticed this in 0.13.4. If you place a small pump pointing screen-down on the bottom port of a storage tank, it is possible to walk right through the junction. I couldn't find any other orientations or combinations where this is possible, but I probably did not test every possible ...