Help needed - PID set up on my Rancilio Silvia (more in comments) : r/espresso
PID control for Rancilio Silvia. kit and parts only for Miss Silvia espresso machine modification
Rancilio Silvia with Preinfusion and PID Controller - YouTube
PID Retrofit KIT for Rancilio Silvia w/ pre-infusion [KIT-RSPb] - $199.50 : Auber Instruments, Inc., Temperature control solutions for home and industry
Internal install of PID temperature control and Pressure Gauge kit in miss Rancilio Silvia
PID Temperature Control Retrofit KIT for Rancilio Silvia [KIT-RSRTDNb] - $149.50 : Auber Instruments, Inc., Temperature control solutions for home and industry