Heree is one for those Silvia owners who cant decide if they want to upgrade or "Soup up"..
I found this link via another site..
Improvements include..
PID Temperature control
Pressure Gauge
PLC control
Individual manual override for water, pump, 3-way valve, and heat
Plumbed into house water supply
Drain in the drip pan
Timed Pre-Infusion
Timed shot
Shot Counter
Auto Boiler refill after steaming
Automatic cleaning and back flush cycle
LED array that illuminates drip pan area
http://www.mikepetro.org/coffee/
