Having just finished this project on my Kal clone, here is what I ordered (over 5 orders, mind you). Bargainfittings or brewhardware is the way to go.
HLT: (4) F adapters for out, recirculation and (2) HERMS.
MT: (2) F Adapters for Out and sparge arm
BK: (2) F Adapters for out and Whirlpool...