No one is commenting (yet), but I'm watching this thread.
I see your pump, your temp gauge. I don't see the heating element or at least wires for it. Also, I see what appears to be to outputs. Why two? Is the second to drain the tube when you're done?
I haven't built my RIMS yet, so my questions are newb questions.
P.S. Your brew in a bag thread got me started in that method. My efficiency is at 50%, so I've got some room for improvement.