This is a PID controller for the Rancilio Silvia by Auber Instruments.
It comes in three configurations.
1) Coffee temperature only - you have control over your coffee extraction temperature
2) Coffee and Steam Temperature - you can control both coffee and steam temperatures.
3) Coffee and Steam Temperature with Pre-Infusion - control of both coffee and steam temperatures and a preinfusion feature.
All of our PID's are in degrees Celsius
Please note we do provide installation instructions from Auber Instruments but we do not provide technical support on installing this item. It is a self-install. If you wish to have us install your PID please contact us.