My plan is to build in stages. I got 2 of my kegs, 1 sesto PID that will be replaced with a bcs-460, 17 PARKER 240V 10 watt valves( I'm only using 9) ,1 MARCH pump, most of my 3 way switches for control panel.I'm planning on a single tier 2 pump (1 peristalic) Rims style, Herms system, all...