Adding a DIY PID to the Gaggia Classic Pro - Rambling...
Shades of Coffee - Gaggia Classic kits from MrShades
New - Gaggia Classic Pro/2019/Evo 2023 PID kit - 1/32DIN single display
PID KIT for Gaggia Classic Pro & Classic & Home w/ pre-infusion [KIT-GGP] - $189.99 : Auber Instruments, Inc., Temperature control solutions for home and industry
PID on Gaggia Classic Pro - Game changer to budget espresso brewing at home - YouTube
Gaggia housing for PID controller and pressure gauge by jakesmorrison | Download free STL model | Printables.com
New - Gaggia Classic Pro/2019/Evo 2023 PID kit - 1/32DIN single display