I have decided to go with center inlet SS Chugger pumps. I also ordered the compression bulkheads to mount the HERMS coil and the return/whirlpool bulkheads. I will also measure them for height to see if they will work for dip tubes.
Brewhardware.com
2x SS Center inlet Chugger pumps
3x 1/2″ High flow 90 degree bulkheads
2x 1/2″ Compression fitting bulkheads