Here is a pic of the 3tier I have sitting in my garage. It gets used 6-8 times a year.
HLT on top tier
MLT on middle tier
Boiler on bottom tier.
March style pump on floor
5Gal Ball Lock keg converted into a HERMS with 25foot copper coil
control box has 4 switches
Heat Herms (110v heating element, heats to 160deg in <25min)
And a PID for HERMS (Similar to the one pictured below.)